Aldoril 25 Side Effects
Generic name: hydrochlorothiazide / methyldopa
Medically reviewed by Drugs.com. Last updated on Jan 7, 2024.
Note: This document provides detailed information about Aldoril 25 Side Effects associated with hydrochlorothiazide / methyldopa. Some dosage forms listed on this page may not apply specifically to the brand name Aldoril 25.
Applies to hydrochlorothiazide / methyldopa: oral tablet.
Common side effects of Aldoril 25
Some side effects of hydrochlorothiazide / methyldopa may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.
Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
More common side effects
- dizziness or light-headedness when getting up from a lying or sitting position
- drowsiness
- dryness of mouth
- headache
Less common side effects
- decreased sexual ability or interest in sex
- diarrhea
- increased sensitivity of skin to sunlight (skin rash, itching, redness or other discoloration of skin or severe sunburn after exposure to sunlight)
- loss of appetite
- numbness, tingling, pain, or weakness in hands or feet
- slow heartbeat
- stuffy nose
- swelling of breasts or unusual milk production
Serious side effects of Aldoril 25
Along with its needed effects, hydrochlorothiazide/methyldopa may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking hydrochlorothiazide / methyldopa:
Rare side effects
- unexplained fever shortly after starting to take this medicine
- cough or hoarseness
- dark or amber urine
- diarrhea or stomach cramps (severe or continuing)
- fever, chills, troubled breathing, and fast heartbeat
- general feeling of discomfort or illness or weakness
- joint pain
- lower back or side pain
- painful or difficult urination
- pale stools
- skin rash, hives, or itching
- stomach pain (severe) with nausea and vomiting
- tiredness or weakness after having taken this medicine for several weeks (continuing)
- yellow eyes or skin
Check with your doctor as soon as possible if any of the following side effects occur while taking hydrochlorothiazide / methyldopa:
Signs and symptoms of too much potassium loss
- dry mouth
- increased thirst
- irregular heartbeats
- muscle cramps or pain
- nausea or vomiting
- unusual tiredness or weakness
- weak pulse
Less common side effects
- mental depression or anxiety
- nightmares or unusually vivid dreams
For healthcare professionals
Applies to hydrochlorothiazide / methyldopa: oral tablet.
Cardiovascular adverse events
Hydrochlorothiazide:
- Frequency not reported: Hypotension, orthostatic hypotension, necrotizing angiitis, vasculitis
Methyldopa:
- Frequency not reported: Angina pectoris aggravated, congestive heart failure, prolonged carotid sinus hypersensitivity, orthostatic hypotension, bradycardia, myocarditis, pericarditis, vasculitis[Ref]
Dermatologic
Hydrochlorothiazide:
- Frequency not reported: Cutaneous vasculitis, photosensitivity, urticaria, rash, purpura, erythema multiforme, Stevens-Johnson syndrome, exfoliative dermatitis, toxic epidermal necrolysis, alopecia
Methyldopa:
- Frequency not reported: Toxic epidermal necrolysis, rash[Ref]
Gastrointestinal
Hydrochlorothiazide:
- Frequency not reported: Pancreatitis, diarrhea, vomiting, sialadenitis, cramping, constipation, gastric irritation, nausea
Methyldopa:
- Frequency not reported: Pancreatitis, colitis, vomiting, diarrhea, sialadenitis, sore tongue, black tongue, nausea, constipation, distention, flatus, dry mouth[Ref]
Hematologic
Hydrochlorothiazide:
- Frequency not reported: Aplastic anemia, agranulocytosis, leukopenia, hemolytic anemia, thrombocytopenia
Methyldopa:
- Frequency not reported: Bone marrow depression, leukopenia, granulocytopenia, thrombocytopenia, hemolytic anemia, Coombs test positive, eosinophilia[Ref]
Nervous system
Hydrochlorothiazide:
- Frequency not reported: Vertigo, paresthesias, dizziness, headache
Methyldopa:
- Frequency not reported: Sedation, headache, Parkinsonism, Bell's palsy, mental acuity decreased, involuntary choreoathetotic movements, cerebrovascular insufficiency symptoms, dizziness, lightheadedness, paresthesias[Ref]
Hepatic
Hydrochlorothiazide:
- Frequency not reported: Intrahepatic cholestatic jaundice
Methyldopa:
- Frequency not reported: Liver disorders, hepatitis, jaundice, liver function tests abnormal[Ref]
Other
Hydrochlorothiazide:
- Frequency not reported: Weakness, fever
Methyldopa:
- Frequency not reported: Asthenia, weakness, edema, drug-related fever, breast enlargement, gynecomastia, lactation[Ref]
Psychiatric
Hydrochlorothiazide:
- Frequency not reported: Restlessness
Methyldopa:
- Frequency not reported: Psychic disturbances, nightmares, reversible mild psychoses, depression, libido decreased[Ref]
Genitourinary
Hydrochlorothiazide:
- Frequency not reported: Glycosuria, impotence
Methyldopa:
- Frequency not reported: Amenorrhea, impotence[Ref]
Immunologic
Hydrochlorothiazide:
- Frequency not reported: Anaphylactic reactions
Methyldopa:
- Frequency not reported: Antinuclear antibody test positive, LE cells, rheumatoid factor[Ref]
Metabolic
Hydrochlorothiazide:
- Frequency not reported: Anorexia, electrolyte imbalance, hyperglycemia, hyperuricemia
Methyldopa:
- Frequency not reported: Weight gain[Ref]
Musculoskeletal
Hydrochlorothiazide:
- Frequency not reported: Muscle spasm
Methyldopa:
- Frequency not reported: Lupus-like syndrome, arthralgia, myalgia[Ref]
Renal
Hydrochlorothiazide:
- Frequency not reported: Renal failure, renal dysfunction, interstitial nephritis
Methyldopa:
- Frequency not reported: BUN increased[Ref]
Respiratory
Hydrochlorothiazide:
- Frequency not reported: Respiratory distress, pneumonitis, pulmonary edema
Methyldopa:
- Frequency not reported: Nasal stuffiness[Ref]
Endocrine
Methyldopa:
- Frequency not reported: Hyperprolactinemia[Ref]
Ocular
Hydrochlorothiazide:
- Frequency not reported: Transient blurred vision, xanthopsia[Ref]
References
1. "Product Information. Aldoril 25 (hydrochlorothiazide-methyldopa)." Merck & Co., Inc
More about Aldoril 25 (hydrochlorothiazide / methyldopa)
- Check interactions
- Compare alternatives
- Drug images
- Dosage information
- During pregnancy
- Drug class: antiadrenergic agents (central) with thiazides
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Further information
Aldoril 25 side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Some side effects may not be reported. You may report them to the FDA.