Phentermine interacts with some other drugs that’s why caution is required while prescribing it. Selective serotonin reuptake inhibitors and Monoamine oxidase inhibitors are avoided to co-administer with phentermine because it causes hypertensive crisis. Arrhythmia and hypertensive crises are experienced when co-administered with other weight-reducing drugs like benzphetamine, amphetamine, and dextroamphetamine. Blood sugar level drops down if insulin or oral antidiabetic drug are used with phentermine. Phentermine reduces the effectiveness of reserpine
Antidepressants which cannot be taken with phentermine
Antidepressants are used to make the patient relax and control his anxiety and sadness. Different classes of antidepressants are used which treat different conditions. Patients while using phentermine cannot take all types of antidepressants bought online. Monoamine oxidase inhibitors (MAOIs) should not be prescribed with phentermine. Selective Serotonin Reuptake Inhibitors also interact with phentermine and causes hypertensive crisis.
Side effects of phentermine:
While using phentermine, the patient experiences different side effects including diarrhea, constipation, vomiting, dry mouth and headache. If they are mild then they will go away in a few days but in severe cases, it is recommended to visit your pharmacist or doctor
Factors that cause a headache during the use of phentermine:
Doctors recommend taking plenty of water while using phentermine to avoid dehydration. Dehydration increases the severity of the headache. Phentermine’s use may cause a headache because of stimulant action. Phentermine’s use with a highly restrictive diet or skipping meals will develop headaches due to low blood sugar levels. Patients suffering from insomnia develop a headache. This problem can be overcome by taking medicine in the morning so that its side effect subsides before night.
Ways to get rid of a headache:
In case of severe headache, it is recommended to stop using phentermine and get medical services as early as possible. After the use of phentermine for a while, most of the side effects disappear as the body becomes habitual. The most effective way to deal with headaches is to avoid all trigger factors which can cause headaches while taking phentermine such as skipping meals, taking other stimulants or less water intake.
Treatment of headache due to phentermine:
Over the counter, painkillers are used for minor headaches. Water intake and recommended dose should be strictly followed to avoid dehydration related headache issues. Consult your physician when headache persists. It needs proper diagnosis and medical care because severe headaches may have any basic medical problem. Then medicines are prescribed according to diagnosis.