Propranolol 40mg is a type of drug called a beta-blocker. It is used for treating certain types of irregular  heartbeat. It works by relaxing blood vessels and slowing heart rate to improve blood flow and decrease blood pressure. 


Instructions and uses
Do not take Propranolol tablets and tell your doctor if you:-are allergic (hypersensitive) to Propranolol tablets or any of the other ingredients of this medicine
-have untreated /uncontrolled heart failure or are in shock caused by heart problems
-have a slow heart rate
-have low blood pressure
-suffer from severe blood circulation problems (which may cause your fingers and toes to tingle or turn  plale or blue)
-suffer from diabetes mellitus and increased acidity of the blood (metabolic acidosis)
-suffer from asthma or any other breathing difficulties
Take special care with Propranolol tablets and tell your doctor if you:
-have a history of allergic reactions-suffer with muscle weakness
-havea heart weakness or first degree heart block
-have kidney or liver disease
-suffer from blood circulation problems
-have symptoms of hyperthyroidism (increased appetite, weight loss, sweating)
-suffer with or have a history of psoriasis
Use Propranolol as directed by your doctor.Take Propranolol by mouth with a full glass of water before meals. The extended-release (long-acting) product usually is taken once a day. Immediate-acting Propranolol may be taken two, three or four times a day. Take Propranolol on a regular schedule to get the most benefit from it. Take Propranolol exactly as directed. Do not take more or less of it or take it more often then prescribed by your doctor. Do not suddenly stop taking Propranolol. You may have an increased risk of side effects. If you need to stop Propranolol or ad a new medicine, your doctor will gradually lower your dose.If you miss a dose of Propranolol, take it as soon a s possible. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.


Possible Side Effects
Like all medicines, Propranolol tablets can have side effects, although not everybody gets them. Tell your doctor if any of these symptoms are severe or do not go away:
-dizziness or lightheadedness
-difficulty sleeping
-excesive tiredness
-upset stomach
-vomiting
-rash
-diarrhea
-constipation
If you experience any of the following symptoms, call your doctor immediately:
-difficulty breathing
-sore throat
-unusual bleeding
-swelling of the feet or hands
-unusual weight gain
-chest pain-slow, irregular heartbeat
If you notice any side effects, they get worse, or if you notice any not listed, tell your doctor or pharmacist.


Storage
Keep Propranolol tablets out of the reach and sight of chldren. 
Do not store the tablets above 25 degrees. Store in a dry place. Protect from light. Do not use Propranolol after the expiry date which is stated on the carton.