Typical starting dosage: One 15-mg or 30-mg capsule each day. Take it in the morning, 2 hours after breakfast. Dosage increases: If your doctor started you on a 15-mg dose, they may increase your dose based on your weight loss and how well you tolerate the drug. Maximum dosage: 30 mg per day.
What is the maximum amount of phentermine you can take?
If patients do not lose 3% of their body weight after 12 weeks, the dosage should be increased to 11.25/69 mg once daily for another 14 days before increasing to the maximum dosage of 15/92 mg per day.
What happens if you take too much phentermine?
An overdose of phentermine can be fatal.
Overdose symptoms may include confusion, panic, hallucinations, extreme restlessness, nausea, vomiting, diarrhea, stomach cramps, feeling tired or depressed, irregular heartbeats, weak pulse, seizure, or slow breathing (breathing may stop).
How much phentermine can you take a day?
Phentermine: 18.75 to 37.5 milligrams (mg) once a day, taken before breakfast or 1 to 2 hours after breakfast.
How long can you take phentermine 37.5 mg?
Adipex (phentermine) is a prescription medication given to assist people with weight loss. It works by decreasing the appetite and is usually prescribed for three to six weeks (though can be used for up to 12 weeks) to people who are exercising and eating a low-calorie diet.
Is phentermine a speed?
There is a potential for misuse with phentermine, which is why it is a scheduled drug. It works in a similar way to amphetamines (like methamphetamine or “speed”) and cocaine, which are drugs that people use illegally and recreationally.
Is it OK to skip a day of phentermine?
Take the medicine as soon as you can, but skip the missed dose if it is late in the day. Do not take two doses at one time.
Has anyone died from phentermine?
Forty-one (0.3 percent) of 13,972 phentermine users experienced a major adverse event (36 cardiovascular events; 5 deaths), but none of these was among the long-term users.
Can you take 2 37.5 phentermine a day?
Typical starting dosage: One 37.5-mg capsule each day. Take it in the morning before breakfast, or 1–2 hours after breakfast. Maximum dosage: 37.5 mg per day.
Why is Phentermine making me tired?
Fatigue or tiredness can come as a result of sleepless nights or following a period of over-stimulation, however, adverse effects of phentermine also include drowsiness, fatigue, and reduced energy levels.
How quickly will I lose weight on phentermine?
Effective for Weight Loss
The expected average weight loss with phentermine use is 5% of your initial body weight. Yet, over 12 weeks, it can be as high as 10%. This equates to a weight loss of 10–20 pounds (4.5–9 kg) for a 200 pound (90.7 kg) person ( 8 ).
What is the highest mg for Phentermine?
The recommended maximum dosage of Phentermine is 15 mg daily for patients with severe renal impairment (eGFR 15 to 29 mL/min/1.73m2).
Does phentermine affect your brain?
Summary: Users of widely prescribed diet pills may suffer irreversible loss of brain serotonin nerve terminals, possibly resulting in symptoms of anxiety, depression, cognitive and sleep problems, suggests the first author of a newly published report on fenfluramine side effects.
What does phentermine 37.5 mg do?
It stimulates the central nervous system (nerves and brain), which increases your heart rate and blood pressure and decreases your appetite. Phentermine is used together with diet and exercise to treat obesity, especially in people with risk factors such as high blood pressure, high cholesterol, or diabetes.
How should I take Phentermine for best results?
How to use Phentermine HCL. Take this medication by mouth as directed by your doctor, usually once a day, 1 hour before breakfast or 1 to 2 hours after breakfast. If needed, your doctor may adjust your dose to take a small dose up to 3 times a day. Carefully follow your doctor’s instructions.
Is phentermine a narcotic?
Phentermine: an appetite-suppressant amphetamine classified as a narcotic in France.