Side effects of medicines including vaccines

Side effects are any unwanted effects of a medicine. Learn more about different types of medicine side effects and what to do if you have them.

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Tapentadol

Tapentadol is a prescription-only opioid medicine used for pain relief. Find out about tapentadol, how it works and its possible side effects.

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Pethidine

Pethidine is an opioid pain-relief medicine that your doctor can prescribe. Find out more about pethidine, how it works and possible side effects.

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Antidepressants

Antidepressants are medicines that treat depression and other mental health conditions. Read about the types, side effects and how to take them safely.

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Prednisolone

Prednisolone belongs to a group of medicines called corticosteroids, and helps to reduce inflammation in your body. Learn more about how to take it.

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Penicillin

Penicillin is the name of a widely used and effective group of antibiotic medicines. Read more on safety, side effects, and signs of allergy.

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Antipsychotic medicines

Antipsychotic medicines can help ease the symptoms of psychosis. Read about why you may need an antipsychotic medicine and possible side effects.

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Fentanyl

Fentanyl is a strong opioid medicine prescribed by doctors for severe pain. Learn about its how it works and potential side effects.

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Radiotherapy

Radiotherapy (radiation therapy) is a treatment for cancer. Learn more about the use of radiotherapy on its own or with other treatments.

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Travel vaccinations

Find out why vaccinations are important before you travel overseas. Learn about the vaccines you need to consider, their side effects and safety.

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Electroconvulsive therapy (ECT)

Electroconvulsive therapy (ECT) is a treatment for some severe mental health conditions. Find out about ECT, when it’s used and side effects here.

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Codeine

Codeine is an opioid medicine used to relieve mild pain and suppress a dry cough. Find out how codeine works and about possible side effects.

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ADHD medicines

There are a few different types of medicine that you can use to help you manage ADHD. Read more about the types, benefits and side effects.

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Pain-relief medicines

Pain relief medicines include over-the-counter and prescription medicines. Learn about their side effects as well as when and when not to use them.

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Disease modifying antirheumatic drugs (DMARDs) for arthritis

DMARDs are medicines used to treat autoimmune diseases, such as rheumatoid arthritis. Learn how these medicines work and about the side effects.

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Lithium

Lithium is a medicine used to treat bipolar disorder and some other mental illnesses. Find out about how lithium works and what you need to know.

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Thyroid medicines

Thyroid medicines treat thyroid disorders, including hypothyroidism and hyperthyroidism. Read about how they work and their potential side effects.

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Medicines for anxiety

There are many different types of medicines used to help treat anxiety. Find out more about what medicines to take from a trusted source.

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Oxycodone

Oxycodone is an opioid pain-relief medicine used to relieve moderate to severe pain. Find out how it oxycodone works and about its possible side effects.

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Erectile dysfunction medicines

Erectile dysfunction (impotence) medicines help males get and keep erections. Learn how they work, when to take them, and about side effects.

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Questions to ask before taking a medicine

It's important to learn about your medicines before you take them. Here are some questions you can ask your doctor or pharmacist about medicines.

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Morphine

Morphine is an opioid-based medicine available on prescription from your doctor. Find out how it works and its possible side effects.

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Ibuprofen

Ibuprofen treats fever and pain caused by inflammation. Learn more about how it works, how to take it and its possible side effects.

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Steroid (corticosteroid) injection

Steroid injections (corticosteroids) can be used to reduce inflammation. Learn how steroid joint injections work and the side effects to look out for.

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Tramadol

Tramadol is an opioid pain-relief medicine used for severe pain. Find out how it works, its side effects and other ways to manage pain.

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Chemotherapy

Chemotherapy is medicine that aims to stop or slow down the growth of cancer cells. Find out how 'chemo' treatment works and its side effects.

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Buprenorphine

Buprenorphine is a prescription opioid medicine. Learn about how it works, when to use it, and its potential risks and side effects.

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Diuretic medicines

Find out what diuretic medicine is used for, how it works, the most common diuretics and any side effects associated with taking it.

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Temazepam

Temazepam is a medicine generally used to treat sleeping problems or insomnia by slowing brain activity. It requires a prescription by a doctor.

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Cancer immunotherapy

Immunotherapy is a type of cancer treatment that boosts the immune system so it can fight the cancer. Learn how it works and which cancer types immunotherapy can treat.

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