The yawn can increase if you consume the antidepressant and those medication. SSRI-induced nausea and vomiting are probably due to effects on the GIT as well as on the CNS. Don't do it. like once every 2 minutes. Selective Serotonin Reuptake Inhibitors (SSRIs), the most commonly prescribed antidepressants are known to cause excessive yawning as a side effect. Your symptoms may return, and stopping your antidepressant suddenly may cause withdrawal-like symptoms. This can happen because SSRIs can block the effects of a hormone that regulates levels of sodium and fluid in the body. Elderly people are vulnerable because fluid levels become more difficult for the body to regulate as people age. Why Antidepressants Cause Fatigue . Research shows that reducing the dosage may help lessen excessive yawning while you still get the needed effects of the medicine. My lungs are starting to hurt. The available evidence suggests that excessive yawning in patients taking SSRIs may be a consequence of increases in brain temperature and core body temperature produced by these drugs. Increased serotonergic neurotransmission causes anorexia, nausea, vomiting and diarrhoea in other settings, such as carcinoid syndrome, so gastrointestinal adverse effects are not unexpected with drugs that increase tissue serotonin levels. If side effects seem intolerable, you may be tempted to stop taking an antidepressant or to reduce your dose on your own. All this is caused by ceasing an ssri (Citalopram). Mild hyponatraemia can cause symptoms similar to depression or side effects of antidepressants, such as: feeling sick The testosterone is one of androgens that can be the cause of yawn. I also can't fall asleep easily because i keep having to sit up to yawn, as lying down i can't seem to get enough air! The drugs used to treat Parkinson’s disease and depression always affect neurotransmitters and can trigger excess yawning. Help! My yawning has gotten so bad that I can't sleep. 4 In the current case report, the patient had been alcohol-dependent for 10 years—long enough for alcohol to cause at least some CNS damage. Another cause of yawning is the chemical cause. If it is found to be that medications like SSRIs is the cause of you yawning excessively then your doctor might prescribe you with a lower dosage. The medication such as Prozac and also some antidepressants will also the cause of yawn. This could be a side effect of the medication you are undergoing. I started on cymbalta almost 2 weeks ago and i have been yawning constantly! What could cause that? Antidepressants can cause excessive yawning. Certain antidepressants work by acting on brain chemicals called neurotransmitters—in particular norepinephrine and serotonin—causing them to linger in the spaces between nerve cells where they carry out their job of regulating mood. It is scary cause at times when I go for walks I fear falling asleep for a few seconds and falling down. —M.N., Charlottesville, Va. Blurred vision appears to be a side affect of one kind of antidepressant in particular: the tricyclic family. The probable cause? I seem to yawn a lot. Some antidepressants can cause dangerous reactions when combined with certain medications or herbal products. a lot of them are unsatisfying yawns, like i can't get enough air into my lungs. Rarely, antidepressants can cause serious side effects that need to be treated right away. My problem is likely somewhat different than those getting full rest.