Hmm think I might call the Doc, I currently on SSRI's which is one reason to cause it.. but also have high blood pressure and not so good cholesterol profile.. (genetics is a factor) also heart conditions can cause this ive read
Ive had this problem since before i can remember, anyway, thanks for the reply KingMeso
"Excessive yawning has been associated with several medical conditions and may be considered as a medical sign for some diseases. These conditions include:[8]
Multiple sclerosis
Amyotrophic lateral sclerosis (ALS)
Migraine headache (rare)
Radiation poisoning, including radiation therapy
Yawning may occur less frequently in persons with schizophrenia.
Certain medications may also induce yawning. These include:[9]
Selective serotonin reuptake inhibitors
Levodopa
Dopamine agonists
Monoamine oxidase inhibitors of the MAO-B isoform (such as selegiline)
Ayahuasca, the psychoactive Amazonian tea that contains MAO-inhibiting harmala alkaloids
Opioids, such as morphine, methadone, buprenorphine, dextromethorphan
Benzodiazepines
Lidocaine
Flecainide
Psilocybin"
Wiki.