The recommended instructions for Otrivine Antistin is one or two drops in each eye up to three times a day. If your symptoms worsen or do not improve after two days, talk to your doctor or pharmacist. Before using the drops, you must first wash your hands. Tilt your head back and squeeze one or two drops inside the lower lid without touching your eye with the tip of the bottle. Close your eye. Wipe away any excess liquid from the eye with a clean tissue. Put the cap back on the bottle as soon as it is finished with.

Contact your doctor if you use the eye drops more frequently than recommended. If you use Otrivine Antistin for more than 7 days you may find that the itching, redness and swelling of the eyes return. Using Otrivine Antistin for too long or too often can cause serious side effects. If you forget a dose, use the drops as soon as your remember. If it is nearly time for the next dose, skip the missed dose. Do not double dose.

Otrivine Antistin Eye Drops contains two active ingredients: Xylometazoline hydrochloride 0.05% w/v and Antazoline sulphate 0.5% w/v. Other ingredients include benzalkonium chloride, boric acid, disodium edetate, sodium tetraborate and water for injections.

Otrivine Antistin should not be used if you are allergic to any of the ingredients in the medicine, if you have a condition called narrow angle glaucome, if you wear contact lenses of any type or if you are taking, or have taken in the last 14 days, one of a grop of anti-depressant drugs called monoamineoxidase inhibitors. You may also be unsuitable to use Otrivine Antistin is you have high bllod pressure, a heart condition, a thyroid problem, diabetes, if you suffer from dry eyes, if you have difficulty in urinatin or if you have an adrenal tumour. You should speak to your doctor or pharmacist if any of this relates to you. You should make sure to mention if you are taking any other medicines, including medicines obtained without a prescription, including any drugs which may causes drowsiness, atropine and some antipsychotics, digoxin and other medicines used for high blood pressure or anxiety or if you are going to have an anaesthetic.

If you are pregnant or think you might be pregnant, you should speak to your doctor or pharmacist before using Otrivine Antistin. If you breast-feed, you should also speak to your doctor or pharmacist before using Otrivine Antistin.

As with all medicines, Otrivine Antistin can cause side effects, although not eveyone gets them. You should stop using Otrivine Antistin and speak to your doctor if you have an allergic reaction to the drops. Other possible side effects include eyes stinging, blurred vision, headache, drowsiness, enlarged pupils, redness getting worse, rash, swelling and itching or the eye area, changes in heart beat rhythm, raised blood pressure, sleeplessness, nausea, pallor and sweating. If any ot these side effects last for more than a few days, speak to your doctor.

If any of these side effects get serious, or you get side effects not listed above, please speak to your doctor or pharmacist.