Hormones are the chemical messengers that send signals throughout your body. These messages help influence our body functions on many levels, including our immune system, appetite, sleep, and more. Hormone production will naturally decline as we age, and HIV has also been shown to affect our ability to produce various hormones.
Testosterone: Primarily thought of as a male sex hormone, testosterone is found in most people. Low testosterone may cause:
lower libido (sex drive)
infertility
loss of appetite
fatigue
reduced heart function
loss of bone mass
depression
inability to grow muscle mass (even when working out), which can lead to wasting
reduced strength and ability to do everyday tasks
trouble maintaining balance
Keeping on top of your testosterone levels can be helped with testing. Blood tests can help monitor your current hormone levels and determine if you need treatments like testosterone supplementation. All folks taking testosterone HRT may need special considerations for the physiology, so be sure to consult with your primary care provider or endocrinologist about what your needs might be.
Thyroid hormones: The most common type of thyroid problem in people living with HIV is hypothyroidism, which interferes with the thyroid’s ability to produce hormones managing metabolism. There are different types of hypothyroidism, such as primary (including Hashimoto's thyroiditis), secondary, and tertiary hypothyroidism.
Some specific risk factors for hypothyroidism related to HIV include a low CD4 count, active opportunistic infections, and use of the HIV drug ritonavir (Norvir, also in Kaletra). Some other risk factors unrelated to HIV include:
A family history of thyroid disease
Sex (cis-women are more likely than men to develop thyroid problems)
Age (cis-women over 60 have a one in five chance of having thyroid disease)
Autoimmune disease (such as lupus, multiple sclerosis or rheumatoid arthritis)
Using certain medications, such as:
The antidepressant lithium (Carbolith)
The heart medication amiodarone (Cordarone)
The tuberculosis drug rifampin (Rifadin, Rofact), and,
Some anti-seizure medications; carbamazepine (Tegretol), phenytoin (Dilantin) and phenobarbital.
There are many symptoms of hypothyroidism, including fatigue, depression, difficulty concentrating or “brain fog”, weight gain, and high cholesterol. Other symptoms include:
cold hands and feet, or low body temperature in a comfortable room
dry, rough or scaly skin
split, peeling or breakable fingernails
hair loss
difficulty sweating
constipation
muscle weakness, stiffness, or pain
If you have these symptoms present, then discuss thyroid screening with your HCP. You’ll require symptom assessment, a physical examination, as well as some blood screening to identify the type of hypothyroidism you’re experiencing. Thyroid hormone replacement can then be used to combat hypothyroidism, available in different strengths as levothyroxine (Eltroxin, Euthyrox and Synthroid.) It may take weeks to become effective, and in some cases may not relieve symptoms. Continue to talk to your doctor about your symptoms.
Dehydroepiandrosterone (DHEA): DHEA is a hormone leading production of androgens (like testosterone) and estrogens, and helps stimulate growth hormone production. Levels of this hormone steadily decline with age, and folks living with HIV often have low levels of DHEA. Supplementation of DHEA by HIV specialists may help improve energy, protect the body against the impact of stress, and restore immune function.
However, DHEA is a powerful steroid and taking too much can raise a person’s estrogen or testosterone to abnormally high levels. DHEA should only be used under medical supervision and should only be considered when tests show hormone levels are lower than optimal.
Drug-related hormone issues: Certain drugs used to treat other conditions may also affect hormone levels. Those living with HIV may want to discuss alternative options with their healthcare provider. These medications include:
Rifampin (rifadin, also in rifater, used to treat tuberculosis, may cause cortisol to become too low and can also contribute to hypothyroidism)
Opiates (can reduce lutenizing hormone, an ovulation trigger in cis women and a testosterone trigger in cis men)
Cytovene (ganciclovir, used to prevent cytomegalovirus),
Megace (megestrol acetate, used to treat breast and uterus cancer), and
Nizoral (ketoconazole), used to treat skin infections such as athlete's foot, jock itch, ringworm, and certain kinds of dandruff, can suppress sex hormones and adrenal corticosteroid hormones
For folks undergoing HRT, available data show that most HIV drugs are safe to take with estrogens. Tenofovir disoproxil fumarate (Truvada) for HIV prevention (pre-exposure prophylaxis, or PrEP) can be safely taken with feminizing hormones but should be taken regularly. Two HIV drugs that should not be taken with estrogens: amprenavir (Agenerase) and unboosted fosamprenavir (Lexiva).
Sadly, little data is available for folks using masculinizing hormones in HRT. Despite this, there is no known interaction between HRT and most ART drugs. Further, the inclusion of HRT alongside HIV care can help trans folks living with the virus take their medications regularly and on time.
When it comes to transgender folks and HIV care, it can be difficult to find a provider who is competent with both. This underlines the importance of having HIV care providers who are also competent in caring for trans and gender diverse patients.