Please follow the instructions provided by your doctor when using Ocu Sulf Eye Drop Use it regularly at the prescribed intervals and do not miss any doses Even if you start feeling better its important to complete the full course of treatment If you stop the medication too early the infection may return or worsen This eye drop is effective against many types of bacteria but it will not work for viral infections or other types of eye infections Therefore it should only be used if prescribed by your doctor Using antibiotics unnecessarily can decrease their effectiveness in the future Some common side effects of this medication include temporary eye irritation and stinging after administration If these side effects persist or if your condition worsens consult your doctor Seek immediate medical help if you experience a rash itchy skin swelling of the face and mouth or difficulty breathing Avoid wearing contact lenses while using this medication or if you have a bacterial eye infection If you are pregnant or breastfeeding consult your doctor before using it Your doctor may also monitor you with regular blood and urine tests during treatment