Securon SR

Side effects

Medicines and their possible side effects can affect individual people in different ways. The following are some of the side effects that are known to be associated with this medicine. Because a side effect is stated here, it does not mean that all people using this medicine will experience that or any side effect.

- Headache
- Constipation
- Increased blood flow to the skin on the face (facial flushing)
- Allergy to active ingredients (hypersensitivity)
- Fatigue
- Ankle swelling
- Nausea and vomiting

The side effects listed above may not include all of the side effects reported by the drug's manufacturer. For more information about any other possible risks associated with this medicine, please read the information provided with the medicine or consult your doctor or pharmacist.

How can this medicine affect other medicines?

The blood levels of alcohol may be increased by this medicine. This can increase the effects of alcohol and cause blood pressure to drop. Verapamil increases the effect of medicines used to lower blood pressure. When first taken with other blood pressure lowering medication it may cause a large drop in blood pressure and therefore dizziness. Verapamil may increase the risk of the heart slowing and heart block. The risk of heart failure and severe drop in blood pressure is increased if verapamil is taken with beta-blockers. Rifampicin increases the removal of verapamil from the body, making it less effective. Phenobarbital and phenytoin reduce the blood levels of verapamil. Verapamil significantly increases the blood levels of digoxin to harmful levels. The dose of digoxin must be reduced if these two medicines are used together. Verapamil increases the blood levels and therefore the effects of cyclosporin, carbamazepine, theophylline and quinidine.

Other medicines containing the same active ingredients

Berkatens	Cordilox	Cordilox MR
Ethimil MR	Half Securon SR	Securon
Univer	Verapamil	Verapress MR
Vertab SR 240

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