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 certain medications cause hyperthyroidism?
Drugs and iodine can cause hyperthyroidism. Drugs include amiodarone, interferon-alpha, programmed death receptor-1 (PD-1) inhibitors (such as nivolumab and pembrolizumab), alemtuzumab, and, rarely, lithium.
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.
What medications can affect your thyroid?
8 drugs that cause hypothyroidism
- Hyperthyroidism medications like propylthiouracil (PTU), methimazole, radioactive iodine (or radioiodine), and potassium iodine. …
- Amiodarone. …
- Lithium. …
- Interleukin-2. …
- Interferon alfa. …
- Tyrosine kinase inhibitors like sunitinib (Sutent) and sorafenib (Nexavar)
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What can mimic hyperthyroidism?
- Attention deficit hyperactivity disorder.
- Allergic rhinitis.
- Benign prostatic hyperplasia.
- Common cold.
- Crohn disease.
- Gastroesophageal reflux disease.
- Chronic fatigue syndrome.
What triggers hyperthyroidism?
Hyperthyroidism can be caused by a number of conditions, including Graves’ disease, Plummer’s disease and thyroiditis. Your thyroid is a small, butterfly-shaped gland at the base of your neck, just below your Adam’s apple.
Does phentermine mess with your vision?
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. This may cause permanent damage to your vision.
What happens if you take phentermine for 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.
What drug is similar to Phentermine?
The FDA has approved five of these drugs—orlistat (Xenical, Alli), lorcaserin (Belviq), phentermine-topiramate (Qsymia), naltrexone-bupropion (Contrave), and liraglutide (Saxenda)—for long-term use. You can keep taking these drugs as long as you are benefiting from treatment and not having unpleasant side-effects.
What supplements should not be taken with thyroid medication?
Vitamins and supplements
“You should also avoid any drugs or supplements that contain iron, calcium, or magnesium for at least four hours after taking your thyroid medications,” says Dr. Jaiswal. That also includes multivitamins that contain these minerals.
Can stress affect TSH levels?
Adrenal Glands and Hypothyroidism
Some research has found inflammatory cytokines, which are released into the body during a stress response, can reduce levels of thyroid-stimulating hormone (TSH).
What messes up your thyroid?
Both hypothyroidism and hyperthyroidism can be caused by autoimmune diseases that affect thyroid function. Hypothyroidism also can occur as a result of an iodine deficiency, radiation, viral infections or the surgical removal of the thyroid gland. These conditions also may occur without any identifiable cause.
How do you feel when you have hyperthyroidism?
You may have hyperthyroidism if you: Feel nervous, moody, weak, or tired. Have hand tremors, or have a fast or irregular heartbeat, or have trouble breathing even when you are resting. Feel very hot, sweat a lot, or have warm, red skin that may be itchy.
What can be mistaken for Graves disease?
Hashimoto’s disease, also known as Hashimoto’s thyroiditis or lymphoid thyroiditis, is an autoimmune disorder like Graves’ disease. However, the antibodies in Hashimoto’s disease either block or destroy the thyroid gland and produce below normal amounts of thyroid hormone secretion (hypothyroidism).
Which is worse hypothyroidism or hyperthyroidism?
Hypothyroidism causes symptoms like slowed metabolism, tiredness, and weight gain. Having an underactive thyroid can decrease or slow down your bodily functions. With hyperthyroidism, you may find yourself with more energy, as opposed to less. You may experience weight loss as opposed to weight gain.