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When new safety information for medicines is identified, the Therapeutic Goods Administration (TGA) works with the sponsors to update Product Information (PI) to ensure that health professionals and consumers have access to this information. New safety information can be identified through the TGA’s ongoing safety monitoring activities or uncovered and submitted by sponsors themselves. Please see below details of some medicines that have recently had safety related updates to their PI.
The TGA monitors the safety of medicines marketed in Australia using:
- reports of adverse events
- Risk Management Plans (RMPs) and Periodic Safety Update Reports (PSURs)
- reviews of literature
- sharing of information with other regulatory agencies
- sharing of information with Australian state and territory health authorities.
Changes to the PI that result from TGA safety monitoring activities may:
- narrow indications
- add or modify specific sections, such as:
- contraindications
- warnings or precautions
- use in fertility, pregnancy and lactation
- use in special populations
- adverse effects.
It is important for prescribers and other health professionals to be aware of safety-related PI changes, as they may require you to take actions or do things differently, such as:
- counsel patients on identified risks
- undertake special monitoring or precautions
- in some instances select alternate medications.
Significant PI changes are often supported by distribution of a Dear Health Care Professional Letter on the issue, which are produced by the medicine’s sponsor and sent directly to health professionals.
We will publish a Medicines Safety Update (MSU) article detailing recent safety-related PI updates each month, although this may not include all safety-related updates. We will continue to publish MSU articles for critical safety issues or topics of special interest.
The below medicines are generally innovator brands (generic brands may be included in some circumstances). Generic brands containing the same active ingredients as the medicines below are required to align with the safety information in the innovator’s PI and will be updated accordingly.
| Active Ingredient | Brand name Sponsor | PI updates (sections updated and summary of key information) | Date of approval |
|---|---|---|---|
| acalabrutinib | AstraZeneca Pty Ltd | 4.1 - Therapeutic indications Deleted the lapsed provisionally registered indication for MCL and updated to the following: CALQUENCE is indicated for the treatment of patients with chronic lymphocytic leukaemia (CLL)/small lymphocytic lymphoma (SLL). 4.4 - Special warnings and precautions for use Revised warning under the subheading 'Cardiac arrhythmias including atrial fibrillation and flutter'. Serious cardiac arrhythmias have occurred in patients treated with CALQUENCE. In the combined safety database of 1040 patients with haematologic malignancies treated with CALQUENCE monotherapy, Grade 3 atrial fibrillation and atrial flutter occurred in 1% of patients and Grade 1 or 2 in 3% of patients. Monitor for symptoms of cardiac arrhythmia, including atrial fibrillation and atrial flutter, (e.g. palpitations, dizziness, syncope, chest pain, dyspnoea) and obtain an ECG as appropriate. Added a new warning under the subheading 'Hepatotoxicity, including drug-induced liver injury'. Hepatotoxicity, including severe, life-threatening, and potentially fatal cases of drug-induced liver injury (DILI), has occurred in patients treated with Bruton tyrosine kinase inhibitors, including CALQUENCE. Evaluate bilirubin and transaminases at baseline and throughout treatment with CALQUENCE. For patients who develop abnormal liver tests after CALQUENCE, monitor more frequently for liver test abnormalities and clinical signs and symptoms of hepatic toxicity. If DILI is suspected, withhold CALQUENCE. Upon confirmation of DILI, discontinue CALQUENCE. 4.8 - Adverse effects (Undesirable effects), Post-marketing experience Added new adverse effects 'cardiac arrhythmias', 'hepatotoxicity' and 'drug-induced liver injury' | 2026-04-27 |
| alemtuzumab | Sanofi-Aventis Australia Pty Ltd | 4.4 - Special warnings and precautions for use
| 2026-04-01 |
| allopurinol | Arrotex Pharmaceuticals Pty Ltd | 4.4 - Special warnings and precautions for use
4.5 - - Interactions with other medicines and other forms of interactions Added:
4.8 - Adverse effects (undesirable effects) Updates to:
| 2026-04-28 |
| amivantamab | Janssen-Cilag Pty Ltd | 4.2 - Dose and method of administration
4.4 - Special warnings and precautions for use
4.8 - Adverse effects (undesirable effects)
| 2026-04-01 |
| apalutamide | Janssen-Cilag Pty Ltd | 4.5 - Interactions with other medicines and other forms of interactions
| 2026-04-12 |
| aprepitant | Arrotex Pharmaceuticals Pty Ltd | 4.4 - Special warnings and precautions for use
4.5 - Interactions with other medicines and other forms of interactions
4.8 - Adverse effects (undesirable effects)
| 2026-04-08 |
| armodafinil | Neuraxpharm Australia Pty Ltd | 4.5 - Interactions with other medicines and other forms of interactions
| 2026-04-22 |
| atovaquone/proguanil hydrochloride | Malarone Tablets / Malarone Junior GlaxoSmithKline Australia Pty Ltd | 4.8 - Adverse effects (undesirable effects)
| 2026-04-27 |
| azathioprine | Aspen Pharmacare Australia Pty Ltd | 4.4 - Special warnings and precautions for use
4.5 - Interactions with other medicines and other forms of interactions
4.6 - Fertility, pregnancy and lactation
4.8 - Adverse effects (undesirable effects)
| 2026-04-30 |
| azelastine hydrochloride, fluticasone propionate | Viatris Pty Ltd | 4.8 - Adverse effects (undesirable effects)
| 2026-03-30 |
| black snake antivenom | Seqirus Pty Ltd | 4.4 - Special warnings and precautions for use
| 2026-03-31 |
| cabotegravir | ViiV Healthcare Pty Ltd | 4.8 - Adverse Effects (Undesirable Effects)
| 2026-04-12 |
| captopril | Reach Pharmaceuticals Pty Ltd | 4.4 - Special warnings and precautions for use
4.8 - Adverse effects (undesirable effects)
| 2026-04-07 |
| ciclosporin | Novartis Pharmaceuticals Australia Pty Ltd | 4.4 - Special warnings and precautions for use
4.5 - Interactions with other medicines and other forms of interactions
| 2026-04-28 |
| cortisone acetate | Aspen Pharmacare Australia Pty Ltd | 4.8 - Adverse effects (undesirable effects)
| 2026-05-13 |
| death adder antivenom | Seqirus Pty Ltd | 4.4 - Special warnings and precautions for use
| 2026-04-08 |
| dienogest estradiol valerate | Bayer Australia Ltd | 4.4 - Special warnings and precautions for use Wording under subheading 'Tumours' relocated from 5.3 Preclinical safety data subheading 'Carcinogenicity', The most important risk factor for cervical cancer is persistent human papillomavirus (HPV) infection. Some epidemiological studies have indicated that long-term use of COCs may further contribute to this increased risk but there continues to be controversy about the extent to which this finding is attributable to confounding effects, e.g. cervical screening and sexual behaviour including use of barrier contraceptives. A meta-analysis from 54 epidemiological studies reported that there is a slightly increased relative risk (RR = 1.24) of having breast cancer diagnosed in women who are currently taking COCs. The excess risk gradually disappears during the course of the 10 years after cessation of COC use. Because breast cancer is rare in women under 40 years of age, the excess number of breast cancer diagnoses in current and recent COC users is small in relation to the overall risk of breast cancer. These studies do not provide evidence for causation. The observed pattern of increased risk may be due to an earlier diagnosis of breast cancer in COC users, the biological effects of COCs or a combination of both. The breast cancers diagnosed in ever-users tend to be less advanced clinically than the cancers diagnosed in never-users. In rare cases, benign liver tumours, and even more rarely, malignant liver tumours have been reported in users of COCs. In isolated cases, these tumours have led to life-threatening intra-abdominal haemorrhages. A liver tumour should be considered in the differential diagnosis when severe upper abdominal pain, liver enlargement or signs of intra-abdominal haemorrhage occur in women taking COCs. Malignancies may be life-threatening or may have a fatal outcome. | 2026-04-29 |
| dimethyl fumarate | Biogen Australian Pty Ltd | 4.4 - Special warnings and precautions for use
| 2026-04-23 |
| domperidone | Johnson & Johnson Pacific Pty Ltd | 4.4 - Special warnings and precautions for use Addition of warnings:
4.5 - Interactions with other medicines and other forms of interactions
4.7 - Effects on ability to drive and use machines
4.8 - Adverse effects (undesirable effects) Addition of:
| 2026-04-01 |
| dutasteride | GlaxoSmithKline Australia Pty Ltd | 4.4 - Special warnings and precautions for use
| 2026-04-29 |
| dydrogesterone, estradiol | Arrotex Pharmaceuticals Pty Ltd | 4.3 - Contraindications
4.4 - Special warnings and precautions for use
4.5 - Interactions with other medicines and other forms of interactions
| 2026-04-01 |
| entecavir | Arrotex Pharmaceuticals Pty Ltd | 4.4 - Special warnings and precautions for use Addition of:
Update to:
4.6 - Fertility, pregnancy and lactation Update to:
4.7 - Effects on ability to drive and use machines Addition of:
4.8 - Adverse effects (undesirable effects) Addition of side effects:
| 2026-03-31 |
| entecavir | GM Pharma International Pty Ltd | 4.4 - Special warnings and precautions for use Addition of:
4.6 - Fertility, pregnancy and lactation Update to:
4.7 - Effects on ability to drive and use machines Addition of:
4.8 - Adverse effects (undesirable effects) Addition of side effects:
| 2026-03-31 |
| estetrol monohydrate drospirenone | Mayne Pharma International Pty Ltd | 4.4 - Special Warnings and Precautions for Use Updated information under subheading 'Carcinoma of the Breast and Cervix': A meta-analysis from 54 epidemiological studies showed that there is a slightly increased relative risk (RR = 1.24) of having breast cancer diagnosed in women who are currently using COCs (with ethinylestradiol as the estrogen component), compared to never-users. The increased risk gradually disappears during the course of the 10 years after cessation of COC use. Because breast cancer is rare in women under 40 years of age, the excess number of breast cancer diagnoses in current and recent COC users is small in relation to the lifetime risk of breast cancer. These studies do not provide evidence for causation. The observed pattern of increased risk may be due to an earlier diagnosis of breast cancer in COC users (due to more regular clinical monitoring), the biological effects of COCs or a combination of both. Breast cancers diagnosed in ever-users tend to be less advanced clinically than the cancers diagnosed in never-users. | 2026-04-28 |
| felodipine/ramipril | Sanofi-Aventis Australia Pty Ltd | 4.4 - Special warnings and precautions for use
| 2026-04-01 |
| fluoxetine | Alphapharm Pty Ltd | 4.3 - Contraindications
4.5 - Interactions with other medicines and other forms of interactions
| 2026-03-31 |
| hepatitis b surface antigen recombinant vaccine | Engerix-B / Engerix-B Paediatric Dose GlaxoSmithKline Australia Pty Ltd | 4.1 - Therapeutic indications
4.4 - Special warnings and precautions for use
| 2026-04-07 |
| ibuprofen | Brufen Ibuprofen 400Mg Tablet Blister Pack Viatris Pty Ltd | 4.4 - Special warnings and precautions for use
4.8 - Adverse effects (undesirable effects)
4.9 - Overdose
| 2026-04-07 |
| ibuprofen | Recordati Rare Diseases Australia Pty Ltd | 4.4 - Special warnings and precautions for use
4.8 - Adverse Effects (Undesirable effects)
4.9 - Overdose
| 2026-04-15 |
| inactivated hepatitis A vaccine | GlaxoSmithKline Australia Pty Ltd | 4.1 - Therapeutic indications
4.4 - Special warnings and precautions for use
| 2026-04-06 |
| lanadelumab | Takeda Pharmaceuticals Australia Pty Ltd | 4.8 - Adverse effects (undesirable effects)
| 2026-04-15 |
| lisdexamfetamine dimesilate | Takeda Pharmaceuticals Australia Pty Ltd | 4.8 - Adverse effects (undesirable effects) Addition of:
4.9 - Overdose Addition of:
| 2026-03-31 |
| metformin hydrochloride dapagliflozin propanediol monohydrate | AstraZeneca Pty Ltd | 4.4 - Special warnings and precautions for use
4.8 - Adverse effects (undesirable effects)
| 2026-04-29 |
| modafinil | Neuraxpharm Australia Pty Ltd | 4.5 - Interactions with other medicines and other forms of interactions
| 2026-04-29 |
| nitric oxide | Ikaria Australia Pty Ltd | 4.4 - Special warnings and precautions for use:
| 2026-04-14 |
| nivolumab and relatlimab | Bristol-Myers Squibb Australia Pty Ltd | 4.8 - Adverse effects (undesirable effects), Postmarketing Experience:
| 2026-04-12 |
| osimertinib (as osimertinib mesilate) | AstraZeneca Pty Ltd | 4.8 - Adverse effects (Undesirable effects)
| 2026-04-16 |
| palbociclib | Pfizer Australia Pty Ltd | 4.4 - Special warnings and precautions for use
4.8 - Adverse effects (undesirable effects)
| 2026-04-08 |
| pegfilgrastim | Accord Healthcare Pty Ltd | 4.4 - Special warnings and precautions for use
4.8 - Adverse effects (undesirable effects)
| 2026-04-29 |
| potassium chloride/sodium chloride | Baxter Healthcare Pty Ltd | 4.4 - Special warnings and precautions for use
| 2026-05-12 |
| prednisolone | Aspen Pharmacare Australia Pty Ltd | 4.8 - Adverse effects (undesirable effects)
| 2026-05-05 |
| prednisone | Aspen Pharmacare Australia Pty Ltd | 4.4 - Special warnings and precautions for use
4.8 - Adverse effects (undesirable effects)
| 2026-05-04 |
| ramipril | Tritace / Ramipril Sandoz / Ramipril Winthrop Sanofi-Aventis Australia Pty Ltd | 4.4 - Special warnings and precautions for use
| 2026-04-08 |
| red-back spider antivenom | Seqirus Pty Ltd | 4.4 - Special warnings and precautions for use
| 2026-04-08 |
| rocuronium bromide | Rocumed / Rocuronium Bromide Medsurge Medsurge Pharma Pty Ltd | 4.4 - Special warnings and precautions for use
4.8 - Adverse effects (undesirable effects)
| 2026-04-13 |
| salbutamol sulfate | GlaxoSmithKline Australia Pty Ltd | 4.4 - Special warnings and precautions for use
| 2026-03-31 |
| stonefish antivenom | Seqirus Pty Ltd | 4.4 - Special warnings and precautions for use
| 2026-03-26 |
| sulfamethoxazole, trimethoprim | Arrotex Pharmaceuticals Pty Ltd | 4.4 - Special warnings and precautions for use
4.8 - Adverse effects (undesirable effects)
| 2026-04-20 |
| temazepam | APO-Temazepam / Normison / Temazepam-WGR / Temtabs Aspen Pharmacare Australia Pty Ltd | 4.4 - Special warnings and precautions for use
4.5 - Interactions with other medicines and other forms of interactions
| 2026-04-30 |
| teriflunomide | APO-Teriflunomide / Teriflunomide Dr.Reddy's Dr Reddys Laboratories Australia Pty Ltd | 4.4 - Special warnings and precautions for use
4.6 - Fertility, pregnancy and lactation
| 2026-04-22 |
| teriflunomide | Sandoz Pty Ltd | 4.4 - Special warnings and precautions for use
4.6 - Fertility, pregnancy and lactation
4.8 - Adverse effects (Undesirable effects)
| 2026-04-19 |
| tolvaptan | Otsuka Australia Pharmaceutical Pty Ltd | 4.8 - Adverse effects (undesirable effects)
| 2026-04-19 |
| tranexamic acid | Pfizer Australia Pty Ltd | 4.8 - Adverse effects (undesirable effects)
| 2026-04-15 |
| tranexamic acid | AFT Pharmaceuticals Pty Ltd | 4.2 - Dose and method of administration Added new warning TRANEXAMIC ACID MUST NOT BE USED FOR INTRATHECAL OR EPIDURAL ADMINISTRATION 4.3 - Contraindications Added new contraindication, intrathecal and epidural administration of tranexamic acid is contraindicated 4.4 - Special warnings and precautions for use Added new warning, serious events including death and cardiac arrythmias were reported in patients erroneously treated with tranexamic acid via intrathecal or epidural injection | 2026-04-29 |
| tretinoin | Pharmaco Australia Ltd | 4.5 - Interactions with other medicines and other forms of interactions: Added new interaction under the heading of 'Antifungal agents such as posaconazole, voriconazole, ketoconazole and itraconazole', as alltrans retinoic acid (ATRA) is metabolised by the hepatic cytochrome P450 enzymes, notably CYP3A4, concomitant administration with strong inhibitors of CYP3A4, including posaconazole, may lead to increased exposure to tretinoin resulting in an increased toxicity (especially hypercalcaemia). Serum calcium levels should be monitored and, if needed, appropriate dose adjustments of tretinoin should be considered during the treatment with CYP3A4 inhibitors like posaconazole, and during the following days after treatment. | 2026-04-27 |
| triptorelin embonate | Ipsen Pty Ltd | 4.4 - Special warnings and precautions for use
4.8 - Adverse effects (undesirable effects)
| 2026-04-07 |
| voriconazole | Pfizer Australia Pty Ltd | 4.5 - Interactions with other medicines and other forms of interactions
| 2026-04-14 |
| zanubrutinib | BeOne Medicines AUS Pty Ltd | 4.4 - Special warnings and precautions for use
4.8 - Adverse effects (Undesirable effects), Postmarketing experience Added the subheading 'Postmarketing experience' and adverse effects 'hepatoxicity and drug-induced liver injury' | 2026-04-29 |
| zuclopenthixol hydrochloride | Lundbeck Australia Pty Ltd | 4.4 - Special warnings and precautions for use
| 2026-03-31 |