The most common side effects of phentermine are dry mouth, insomnia, and constipation. Although all sympathomimetic agents can increase blood pressure and heart rate, these abnormalities usually do not occur with phentermine therapy in the presence of weight loss.
How can I prevent insomnia while taking phentermine?
Administer before breakfast or one-to-two hours after breakfast. Avoid late evening administration as this may cause insomnia. Some people may benefit from a twice-daily dosage regimen.
Why does phentermine keep me awake?
Insomnia: Because it is a stimulant, phentermine will most likely keep you awake if you take it too late in the day. This side effect also decreases in most patients after they have been on the medication for several weeks.
What are the bad side effects of phentermine?
Dizziness, dry mouth, difficulty sleeping, irritability, nausea, vomiting, diarrhea, or constipation may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly.
What happens if i take phentermine before bed?
Phentermine and topiramate come as extended-release capsules to take by mouth. The medication is usually taken with or without food once a day in the morning. This medication may cause difficulty falling asleep or staying asleep if it is taken in the evening.
Can you take phentermine every other day and still lose weight?
We suggest for those women trying to lose 25 lbs or less, you start weaning off the phentermine after the second month. Take the pill every other day for two weeks, then every third day, until you are down to 1 pill a week (usually Sunday) then stop completely.
How much water should I drink with phentermine?
When taking phentermine you should be drinking at least 8 glasses of water per day in order to improve the functions of your body and assist in the release of water weight, as well as keeping you hydrated and less likely to misinterpret thirst for hunger.
Can you take 2 phentermine a day?
Do not take two doses at one time. Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of phentermine can be fatal.
How do I get the best results from phentermine?
How to make phentermine more effective?
- Drink enough water.
- Have proper nutrition.
- Combine weight-bearing exercises with cardio.
- Establish a long-term healthy lifestyle.
Does coffee make phentermine less effective?
Interactions between your drugs
No interactions were found between caffeine and phentermine. This does not necessarily mean no interactions exist. Always consult your healthcare provider.
Can phentermine affect your kidneys?
Phentermine can cause elevation of the blood pressure and this can hasten the deterioration of kidney function.
Can phentermine damage your heart?
Phentermine may cause a serious increase in your blood pressure. This may make your heart work harder. The extra stress on your heart may make your heart disease worse.
What happens if you take phentermine too long?
Physical and psychological dependence may occur with the long-term use of phentermine. A withdrawal reaction, which includes excessive drowsiness, fatigue, tremors and depression may occur after prolonged use.