Sinus can be a big problem if not cured on time. In this case, the patient may feel headache, stuffed nose, fever, and thick nasal discharge. Sinus treatment in homeopathy is possible & does not have any known side effects. It is an allergic reaction due to dirt, pollution, different smell of veg, flower & other things. The best homeopathic medicine for sinus problems is Doctor Bhargava’s sinin drop.