Periactin, also known as Cyproheptadine, is a medication that belongs to the class of antihistamines and anti-serotonin drugs. It is used as an appetite stimulant and is also used in the treatment of allergic reactions and migraine headaches. This article will cover in detail the uses, dosage, demographic, side effects, interactions, and generic options of the drug Periactin. Uses: Periactin is primarily used as an appetite stimulant in people with poor appetite or who have difficulty gaining weight. It can also relieve symptoms of allergic reactions such as runny nose, sneezing, and itching. Additionally, Periactin can be used to treat migraine headaches by reducing the frequency and severity of the attacks. Dosage: The recommended dosage of Periactin varies depending on the condition being treated. For appetite stimulation, the usual starting dose is 4 mg, taken three times daily before meals. The dose can be increased up to 12 mg per day as needed. For allergic reactions, the recommended dose is 4 mg thrice a day. As for migraine headaches, the usual dose is 4 mg, three times daily, then increased up to 12 mg per day as needed. It is important to follow the dosage instructions provided by your doctor and not to exceed the recommended dose. Demographic: Periactin is not recommended for use in children under the age of two. It is also not recommended for pregnant or breastfeeding women. People with liver or kidney disease, glaucoma, or enlarged prostate should consult their doctor before using Periactin. Side Effects: The common side effects of Periactin include drowsiness, dry mouth, blurred vision, constipation, and dizziness. It can also cause an increase or decrease in appetite. Less common but serious side effects include an allergic reaction, swelling of the face or tongue, difficulty breathing, and hives. If you experience any of these side effects, seek immediate medical help. Interactions: Periactin can interact with other medications, including benzodiazepines, anticoagulants (blood thinners), and antidepressants. Inform your doctor or pharmacist if you are taking any other medications before taking Periactin. Generic Options: The generic name for Periactin is Cyproheptadine. There are other brands of Cyproheptadine available, such as Cypri Gold, Ciplactin, and Cypon. These generic options are equally effective as Periactin and are cheaper as compared to the branded one. Conclusion: Periactin or Cyproheptadine is an effective medication used for appetite stimulation, treating allergic reactions, and reducing the severity of migraine headaches. Patients must follow the recommended dosage and seek immediate medical attention if they experience any adverse effects. Pregnant or breastfeeding women should not take Periactin. There are generic options such as Cypri Gold, Ciplactin, and Cypon that are equally effective and more affordable. Consult with your doctor to determine whether Periactin is right for you.