Can you take Synthroid and phentermine together?

Talk to your doctor before using levothyroxine together with phentermine. Combining these medications may increase the risk of cardiovascular side effects such as high blood pressure, palpitation, chest pain, and irregular heart beat.

Can you take phentermine with thyroid problems?

For people with history of hyperthyroidism: Tell your doctor if you have hyperthyroidism (an overactive thyroid). Phentermine may increase your thyroid activity. This may raise your thyroid levels even further. For people with glaucoma: This drug may increase your eye pressure even more.

Can you take weight loss pills with levothyroxine?

Interactions between your drugs Talk to your doctor before using levothyroxine together with phentermine. Combining these medications may increase the risk of cardiovascular side effects such as high blood pressure, palpitation, chest pain, and irregular heart beat.

What should you not take with thyroid medication?

Specifically, antacids, calcium, cholesterol drugs, and iron supplements can each interfere with the way the thyroid hormone is absorbed. So, you should take these particular drugs four hours before or after taking your thyroid medication, according to the U.S. National Library of Medicine.

When will I start to lose weight on thyroid medication?

Generally, people begin to notice weight loss about three to six months after hitting a therapeutic dose of their medication. People lose about five to ten pounds on thyroid medication or less than 10\% of their body weight.

Why is Synthroid making me gain weight?

In some cases, Synthroid may lead to weight gain. This is because the drug can increase your appetite, which may make you eat more food than usual. It’s also possible for you to gain weight if your dose of Synthroid isn’t high enough for your body’s needs.

Which thyroid medication is best for weight loss?

A daily dose of levothyroxine (Levothroid, Levoxyl, Synthroid) will rev up your thyroid hormone production again, and with it, your metabolism. Once you’re on the right dose, your weight should stabilize, and you shouldn’t have any more trouble losing weight than anyone else.

Is Synthroid better than levothyroxine?

Generic levothyroxine may differ slightly from Synthroid in terms of how well it’s absorbed. That’s why it’s preferable to stick with either one if possible. Both the American Thyroid Association and the Endocrine Society recommend that patients remain on Synthroid if that’s what was initially prescribed.

Can Synthroid cause weight gain?

Can Synthroid cause weight gain? Weight gain isn’t a known side effect of Synthroid. Weight gain wasn’t reported by people taking the drug in clinical trials. Weight gain is a known symptom of hypothyroidism (low levels of thyroid hormones), which Synthroid is used to treat.

What are the bad side effects of phentermine?

Common side effects of phentermine include:

• Increased heart rate.
• Tingling or prickling feeling in hands or feet.
• Dry mouth.
• Sleeplessness.
• Nervousness.
• Constipation.

Can you take Synthroid and phentermine at the same time?

Administer at least 4 hours before or after drugs that are known to interfere with absorption (e.g. calcium salts, antacids). Taking Synthroid at the same time as phentermine could potentially decrease absorption and the overall effectiveness of the medication.

Is it safe to take phentermine If I have thyroid problems?

Phentermine is a stimulant drug that helps to suppress appetite. While generally considered a safe option for people with obesity who need to lose weight for health-related reasons, there are some precautions to consider before using the medication with a Thyroid condition.

How long after levothyroxine can I take phentermine (and why)?

Once Thyroid hormone levels have been balanced using Levothyroxine, and the right dose has been reached, it is generally advised that the patient waits about four weeks before they start using Phentermine. At this time, the use of Phentermine is not as likely to cause the person to experience an increased risk of side-effects.

Can other medications interfere with thyroid hormone replacement?

Other supplements — especially those containing iron — also can interfere with absorption of thyroid hormone replacement, as can certain foods and medications. If your doctor prescribes thyroid hormone replacement, be sure to tell him or her about all the other drugs and supplements you’re taking.