Fipronil is a broad-use insecticide that belongs to the phenylpyrazole chemical family. Fipronil is a broad-spectrum insecticide that disrupts the insect central nervous system by blocking GABA-gated chloride channels and glutamate-gated chloride (GluCl) channels, resulting in central nervous system toxicity.ipronil is a slow acting poison. When used as bait, it allows the poisoned insect time to return to the colony or harborage. In cockroaches, the feces and carcass can contain sufficient residual pesticide to kill others in the same nesting site.
By Mayo Clinic Staff. Injury, overuse or conditions causing inflammation involving any of the bones, ligaments or tendons in the foot can cause foot pain. Arthritis is a common cause of foot pain. Injury to the nerves of the feet may result in intense burning pain, numbness or tingling (peripheral neuropathy). Some common causes of foot pain include: Achilles tendinitis.
Foot cramps have many causes. Some of the most common causes for foot cramps are: Stress or fatigue in the foot â An overworked foot is often susceptible to foot cramps. Poor circulation â Foot cramp is caused by lack of oxygen being carried to the foot. Lack of potassium â This important mineral, found in salt, helps regulate body chemistry and keep you foot cramp free. Dehydration â Lack of water in the muscles contribute to foot cramps. Changing hormone levels â Foot cramps may occur while muscle tissue adjusts to these changes. Pinched nerves â Caused when the electrical impulse from the brain cannot reach the muscle, this can cause foot cramps, numbness and other symptoms.