Most medicines come in a variety of types or formats. Be aware, though, that some medicines (particularly rare or unusual ones) only come in one type. Also, some may be more effective in one type than another.
Medicines can be confusing. We are told that they can cure an illness or improve our symptoms, but that they can be dangerous if taken incorrectly. The key to dealing with medicines effectively is to understand them.
This page from Great Ormond Street Hospital explains about the medicines called triptans. Triptans are a group of medicines used to treat migraine or headache. They are also known as 5HT1-receptor agonists, which refer to the particular substance in the brain (5HT 1B/1D or serotonin) on which the medicines act.
Pharmacy is defined as the study of medicines. It involves studying how medicines are discovered, developed and made. It also covers how medicines work in the body to prevent or treat disease, and how active ingredients can be made in to medicines.