 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.The precautions of Phospholine Iodide Ophthalmic (Eye): Before using echothiophate, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details. Before using this medication, tell your doctor or pharmacist your medical history, especially of: asthma, epilepsy, other eye problems (such as iritis, uveitis, detached retina), heart disease (such as heart failure, recent heart attack), low or high blood pressure, myasthenia gravis, overactive thyroid (hyperthyroidism), Parkinsonism, stomach/intestinal problems (such as ulcers, spasms), certain urinary problems (such as blockage). After you apply this drug, your vision may become temporarily blurred or unstable. Vision in dim light may be affected. Do not drive (especially at night), use machinery, or do any activity that requires clear vision until you can do it safely. Avoid exposure to insecticides. Some types of insecticides may increase the </s>