This test measures the amount of phenytoin in the blood. Phenytoin is a drug that is used to treat some seizure disorders (also called epilepsy). Seizure dis

A medication interaction is defined as a measurable modification (in magnitude and/or duration) of the action of one medicine, by prior or concomitant administration of another substance, including prescription, non-prescription medicines, food, alcohol, cigarette smoking or diagnostic tests.

This test measures the amount of valproate in the blood. Valproate is a drug that is used primarily to treat some types of seizure disorders (also called epi

Is the risk of seizure recurrence worth the benefit of stopping an antiepileptic drug?

These tests detect the presence of three classes (IgG, IgM, and/or IgA) of cardiolipin antibodies. Produced by the immune system in response to a perceived t

Severe cutaneous adverse drug reactions can be life-threatening. Patients who survive need to be investigated to determine the drug responsible and to assess the allergy.

Many drugs prescribed for older patients can reduce salivary function leading to dry mouth, tooth decay and infections.

Dehydroepiandrosterone sulfate (DHEAS) is an androgen, a male sex hormone that is present in the blood of both men and women. It has a role to play in develo

Dehydroepiandrosterone sulfate (DHEAS) is an androgen, a male sex hormone that is present in the blood of both men and women. It has a role to play in develo

Sirolimus is an immunosuppressive drug that is given orally to patients who have had kidney transplants. Normally a person's immune system recognises a trans