Actin Syrup belongs to a group of medicines called antihistamines. It is used in the treatment of various allergic conditions. It relieves symptoms of inflammation as well as itching, swelling and rashes. It is also used to treat loss of appetite (need for food). It is an effective hunger stimulant. Actin Syrup can be taken with or without food and it is better to take it in a dose and duration as advised by the doctor. You may need this medicine only on days you have symptoms, or you may need to take it every day to prevent symptoms from happening. If you stop taking it earlier than advised, your symptoms may come back. This medicine is generally very safe. This medicine may cause some amount of dizziness, so do not drive or do anything that needs attention. Consult your doctor if it persists or worries you. It may cause a headache in some cases. Before taking it, you should tell your doctor if you have any problems with your liver or kidneys or with your heart. Avoid drinking alcohol as it can cause excessive drowsiness with this medicine.