Hydrochloric Acid

• Hives triggered by sun exposure*

Adults and children: At the onset of symptoms, dissolve 5 pellets under the tongue 3 times a day until symptoms are relieved or as directed by a doctor.

1. 1Completed Suicide2411%
2. 2Arthropathy156.9%
3. 3Toxicity To Various Agents156.9%
4. 4Fatigue146.5%
5. 5Vomiting146.5%
6. 6Diarrhoea125.5%
7. 7Death115.1%
8. 8Pain115.1%
9. 9Nausea104.6%
10. 10Arthralgia94.1%
11. 11Cystitis94.1%
12. 12Musculoskeletal Disorder94.1%
13. 13Red Blood Cell Sedimentation Rate Increased94.1%
14. 14Therapeutic Response Decreased94.1%
15. 15Back Pain83.7%

Recent PubMed references pinned to Hydrochloric Acid as a MeSH major topic. Citations link to pubmed.ncbi.nlm.nih.gov.

• A pericyte chloride clamp mechanism governs capillary control of cerebral blood flow.
  Proceedings of the National Academy of Sciences of the United States of America · 2026 · Xiang L, Hariharan A, Isaacs D, et al.
  PMID 42258716DOI 10.1073/pnas.2523612123
• A randomized controlled clinical evaluation of anti-gingivitis and desensitizing efficacy of a newly developed toothpaste with zinc chloride and oriental herb extract.
  American journal of dentistry · 2026 · Moon KT, Lim JH, Oh K, et al.
  PMID 42247364
• Stability and Compatibility of an Admixture Containing Hydromorphone, Bupivacaine, and Dexamethasone in 0.9% Sodium Chloride Injection for Intrathecal Analgesia.
  Medical science monitor : international medical journal of experimental and clinical research · 2026 · Wang Z, Wang F, Li Y, et al.
  PMID 42219744DOI 10.12659/MSM.952388
• Changes in chorda tympani nerve responses and preference for sodium chloride mixed with thickeners.
  Journal of oral biosciences · 2026 · Maeda C, Takahashi S, Iwata S, et al.
  PMID 42218014DOI 10.1016/j.job.2026.100788
• [Effects of arbuscular mycorrhizal fungi inoculation on growth and physiological characteristics of walnut seedlings under NaCl stress].
  Ying yong sheng tai xue bao = The journal of applied ecology · 2026 · Nie RN, Wu CX, Wang R, et al.
  PMID 42210460DOI 10.13287/j.1001-9332.202604.019
• 3D-printed solid-contact chloride sensor for sweat-based cystic fibrosis screening.
  Biosensors & bioelectronics · 2026 · Farahani S, Hille NH, Sireesha P, et al.
  PMID 42208308DOI 10.1016/j.bios.2026.118831
• KOH activation of carbon electrodes for enhanced capacitive dechlorination: Performance and mechanisms.
  PloS one · 2026 · Jia J, Lu C, Han J, et al.
  PMID 42201910DOI 10.1371/journal.pone.0347780
• Toward a Molecular Framework of Systemic Multi-Organ Toxicity Induced by Chronic Aluminum Chloride Exposure.
  Molecules (Basel, Switzerland) · 2026 · Ali Agha ASA, Khaleel S, Abdelaziz HMA, et al.
  PMID 42197282DOI 10.3390/molecules31101728

The 10 most recently updated of 3,619 ClinicalTrials.gov registrations naming Hydrochloric Acid as an intervention. Registration is not evidence of efficacy or safety — reference crosswalk only.

• First-in-Human PfSPZ-LARC2 Vaccination/CHMI
  Active not recruiting · Phase 1 · Interventional · 22 enrolled · National Institute of Allergy and Infectious Diseases (NIAID)
  NCT06735209updated 2026-06-12
• A Study to Evaluate the Safety and Immunogenicity of Two Doses of a Novel H5 Central Antigen mRNA-LNP in Healthy Adults
  Completed · Phase 1 · Interventional · 80 enrolled · National Institute of Allergy and Infectious Diseases (NIAID)
  NCT07019883updated 2026-06-12
• Pectoral Nerve Block for Analgesia After Breast Augmentation
  Completed · Phase 3 · Interventional · 74 enrolled · University Hospital, Montpellier
  NCT02682186updated 2026-06-12
• Safety and Immunogenicity of an Inactivated West Nile Virus Vaccine in Healthy Adults
  Active not recruiting · Phase 1 · Interventional · 30 enrolled · National Institute of Allergy and Infectious Diseases (NIAID)
  NCT06745921updated 2026-06-12
• Effects of Different Administration Routes of Dexmedetomidine on Postoperative Sleep Quality in Patients Undergoing Thyroidectomy
  Active not recruiting · Phase 1 · Phase 2 · Interventional · 120 enrolled · The Second People's Hospital of Huai'an
  NCT07622355updated 2026-06-11
• Addictive Threshold of Nicotine
  Recruiting · Early phase 1 · Interventional · 45 enrolled · Yale University
  NCT06096714updated 2026-06-11
• The Effect of NAC on Lung Function and CT Mucus Score
  Terminated · Phase 4 · Interventional · 4 enrolled · University of California, San Francisco
  NCT03822637updated 2026-06-11
• Role of the Foregut in Nutrient Metabolism in Lean and Obese Humans
  Completed · Phase 1 · Interventional · 27 enrolled · Vanderbilt University Medical Center
  NCT02537314updated 2026-06-11
• Effect of Push-Dose Adrenaline on Peri-intubation Hypotension During Rapid Sequence Intubation in the Emergency Department
  Not yet recruiting · Phase 4 · Interventional · 128 enrolled · Marmara University Pendik Training and Research Hospital
  NCT07620327updated 2026-06-10
• Anesthetic Block of the Erector Muscles of the Lumbar Spine to Relieve Acute Lumbar Pain: Pilot Study
  Recruiting · Phase 3 · Interventional · 40 enrolled · Elsan
  NCT06511765updated 2026-06-10

Frequently asked questions

What is Hydrochloric Acid used for?

According to FDA labeling, Hydrochloric Acid carries indications including: Hives triggered by sun exposure*. This is a reference summary of labeled uses, not medical advice or a treatment recommendation.

What class of drug is Hydrochloric Acid?

Hydrochloric Acid is classified as Acid preparations, Electrolyte solutions.