Pymolar 250mg Suspension is used to treat parasitic worm infections. It treats a wide variety of worm infections caused by roundworms, hookworms, pinworms, and other worms. It contains Pyrantel, which works by killing the worms and stopping the infection from spreading further. It may cause common side effects such as vomiting, stomach pain, headache, dizziness, nausea, hair loss, abnormal liver function tests, fever, and vertigo (sensation of feeling off-balance). Before taking this medicine, you should tell your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and pre-existing medical conditions.