* Infertility: Kayam churna contains kshara which is a highly potent substance has penetrating effects on the tissues. This may cause gastric disturbances such as acidity. Prolonged used of kshara is known to cause infertility by causing low sperm count and motility. Hence it should be taken only under the prescription of a qualified medical practitioner for a limited time period.
* Contraindicated for children, elderly people, those who are weak, pregnant woman, menstruating woman, person who have recently undergone vamana and virechana( bala-vriddha-garbhini-sukumara..) However, kayam churnam can be taken in case of bloating and constipation for a prescribed period of time without experiencing any of these side effects. Any Ayurvedic medicine should be taken under the supervision of a qualified ayurvedic practitioner only. Even Amrita becomes visha if not handled properly, same is the case of medicines too.
* Dependency : many complain of dependency and recurrence of constipation once after stopping the product.
==Health Benefits and Uses of Kayam Churna==
Kayam churna is a very famous Ayurvedic medicine for constipation. It is not a traditional Ayurvedic medicine. It is a proprietary Ayurvedic medicine. It means that the formula of Kayam churna is not mentioned in any Traditional Ayurvedic text books. The manufacturer of Kayam Churna, Sheth Brothers, formulated a combination of few Ayurvedic herbs that benefit in constipation, blended them into powder form and labeled it as Kayam churna.