Allersine Eye Drop is used to treat the red eye symptom, eye inflammation, conjunctivitis, scleritis, episcleritis, and choroiditis. It contains Tetrahydrozoline hydrochloride which helps to reduce the size of swollen blood vessels in the inflammation causing red eye formation. Allersine Eye Drop is commonly used to treat red eye but it also has different indications such as eye inflammation, conjunctivitis, scleritis, episcleritis, and choroiditis. This list is incomplete and there might be other uses and indications of Allersine Eye Drop. Do not take this medication even though someone you know with same symptoms is taking it. Please refer to your doctor before starting this medication. Besides the uses, people who are taking Allersine Eye Drop may also develop certain side effects, such as pain, visual impairment, blurred vision, teary eye, stingy sensation, enlarged pupil,and photophobia. Some of these symptoms are more common than the others. If you are developing any of the stated side effects (whether listed or not), please talk to a doctor as soon as possible. You also need to refer to a doctor if some symptoms such as skin rash or blurred vision occur. This list may not be complete, therefore do inform if you are experiencing other symptoms. These symptoms become more visible with longer duration of intake. Allersine Eye Drop contains Tetrahydrozoline hydrochloride (0.5mg/mL) which helps to reduce the size of blood vessels that are swollen in red eye. The desired effect of Allersine Eye Drop depends on its indication and dosage taken. If your symptom is not reduced after taking this medication, please talk to a doctor for another solution. You are advised to take this medication according to the time allocated. This medication should only be taken following the dosage that has been decided by doctor. Allersine Eye Drop is available at the nearest pharmacy. It may come with different generics. Generally, this medication is considered as affordable, comes in small eye drop bottle, and can be taken following the prescription given by doctor. Please check the expiry date before taking Allersine Eye Drop. It is produced by CCM International Phils. Those with renal problems and liver diseases should refer to doctors before taking Allersine Eye Drop. Follow the advices given by doctor when taking this medication. Make sure a sufficient duration of time is given by doctor for you to finish this medication. The desired effects from taking this medication may take some time in different illnesses with different dosage. If there is no reduction of symptoms in between 30 minutes to 1 hour after consumption, consult a doctor for different solutions. Do not take this medication following advices by non-health care members, such as families or friends. Do not give this medication to others with the same symptoms. They might be experiencing different illness other than yours. Always check the expiry date before starting the medication. Keep Allersine Eye Drop under room temperature and avoid exposing it to heat or sunlight. Allersine Eye Drop only helps in reducing the symptoms of an illness and does not cure it.