<unk>  is generally well-tolerated if the liquid-capsule is swallowed intact. Potential adverse effects to<unk>  include: * Constipation, dizziness, fatigue, stuffy nose, nausea, headache are frequently reported. * Sedation, a feeling of numbness in the chest, sensation of burning in the eyes, a vague "chilly" sensation, itchiness, and rashes are also possible. * Ingestion of a small handful of capsules has caused seizures, cardiac arrhythmia, and death in adults. Hypersensitivity reactions<unk>  is structurally related to anesthetic medications of the para-aminobenzoic acid (PABA) class which includes procaine and tetracaine. Procaine and tetracaine, previously used heavily in the fields of dentistry and anesthesiology, have fallen out of favor due to allergies associated with their metabolites. Similarly, severe hypersensitivity reactions to<unk>  have been reported and include symptoms of laryngospasm, bronchospasm, and cardiovascular collapse. These reactions are possibly associated with chewing, sucking, or crushing the capsule in the mouth. Improper use<unk>  should be swallowed whole. Crushing or sucking on the liquid-filled capsule, or "softgel," will cause release of<unk>  from the capsule and can produce a temporary local anesthesia of the oral mucosa. Rapid development of numbness of the tongue and choking can occur. In severe cases, excessive absorption can lead to laryngospasm, bronchospasm, seizures, and circulatory collapse. This may be due to a hypersensitivity reaction to<unk>  or a systemic local anesthetic toxicity, both of which have similar symptoms. There is a potential for these adverse effects to occur at a therapeutic dose, that is, a single capsule, if chewed or sucked on in the mouth. Psychiatric effects Isolated cases of bizarre behavior, mental confusion, and visual hallucinations have been reported during concurrent use with other prescribed medications. Central nervous system effects associated with other para-aminobenozic acid (PABA) derivative local anesthetics, for example procaine or tetracaine, could occur with<unk>  and should be considered. Children Safety and efficacy in children below the age of 10 have not been established. Accidental ingestion resulting in death has been reported in children below the age of 10.<unk>  may be attractive to children due to its appearance, a round-shaped liquid-filled gelatin capsule, which looks like candy. Chewing or sucking of a single capsule can cause death of a small child. Signs and symptoms can occur rapidly after ingestion (within 15–20 minutes) and include restlessness, tremors, convulsions, coma, and cardiac arrest. Death has been reported within one hour of ingestion. Pregnancy and breast feeding In the U.S.,<unk>  is classified by the U.S. Food and Drug Administration (FDA) as pregnancy category C. It is not known if<unk>  can cause fetal harm to a pregnant woman or if it can affect reproduction capacity. Animal reproductive studies have not yet been conducted with<unk>  to evaluate its teratogenicity.<unk>  should only be given to a pregnant woman if it is clearly needed. It is not known whether<unk>  is excreted in human milk. It is recommended to exercise caution when<unk>  is given to a nursing woman.
Benzonatate
Galantamine
Retigabine
Phenylpiracetam
Tianeptine
Ethosuximide
Chlordiazepoxide
Levetiracetam