Minims Phenylephrine HCl Side Effects

Like all medicines, this medicine can cause side effects, although not everybody gets them.
Minims Phenylephrine Hydrochloride may sting when the drops are first put in and the vision may become blurred. This will gradually wear off.
Serious side effects: Rarely, more serious reactions, including spasm of the artery of the heart, heart irregularities and heart attacks, have been reported after using phenylephrine solutions. These have usually occurred in patients using some 10 % phenylephrine and already suffering from heart disease.
Other side effects: Not known: frequency cannot be estimated from the available data.
In some cases bright light can be uncomfortable for a few hours after receiving the drops.
Occasionally allergic reactions or conjunctival sensitivity (abnormal sensitivity of the conjunctiva (thin, clear, moist membrane that coats the white outer surface of the eye) to various substances with discomfort upon instillation) can occur.
The active substance can sometimes affect the circulatory system, causing increased blood pressure and palpitations (a sensation in which a person is aware of an irregular, hard, or rapid heartbeat), tachycardia (fast heartbeats) and other heart irregularities (extrasystoles and cardiac arrythmias).
Paleness around the eyes in preborn babies (this is relevant to the 2.5% formulation).
Additional side effects in children: Not known: frequency cannot be estimated from the available data.
Fluid or swelling in the lungs (this is relevant to the 10% formulation).
Reporting of side effects: In case of any side effects, talk to the doctor or pharmacist. This includes any side effects not listed in the monograph.