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Definition of Oligospermia: A low sperm count.

Drugs associated with Oligospermia

The following drugs and medications are in some way related to, or used in the treatment of Oligospermia. This service should be used as a supplement to, and NOT a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.


Definition of Otitis Media:

Infection and inflammation of the middle ear space and ear drum.

Symptoms include earache, fever and in some cases, diminished hearing.

Drugs associated with Otitis Media

The following drugs and medications are in some way related to, or used in the treatment of Otitis Media. This service should be used as a supplement to, and NOT a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.

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Topics under Otitis Media

  • Chronic Otitis Media (2 drugs in 2 topics)
  • Otitis Media with Perforation of Ear Drum (0 drugs)
  • Perforated Tympanic Membrane (0 drugs)

Drugs associated with Organ Transplant, Rejection Reversal

The following drugs and medications are in some way related to, or used in the treatment of Organ Transplant, Rejection Reversal. This service should be used as a supplement to, and NOT a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.

Topics under Organ Transplant, Rejection Reversal

  • Rejection Reversal (1 drug)

There are currently no drugs listed for "Ocular Tuberculosis".

Definition of Ocular Tuberculosis: Tuberculosis infection of the eye(s).

Learn more about Ocular Tuberculosis


Drugs associated with Opioid Overdose

The following drugs and medications are in some way related to, or used in the treatment of Opioid Overdose. This service should be used as a supplement to, and NOT a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.


Drugs associated with Opiate Dependence

The following drugs and medications are in some way related to, or used in the treatment of Opiate Dependence. This service should be used as a supplement to, and NOT a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.

Topics under Opiate Dependence

  • Opiate Withdrawal (8 drugs)

Definition of Oral and Dental Conditions: Oral and Dental Conditions include disorders relating to the mouth.

Drugs associated with Oral and Dental Conditions

The following drugs and medications are in some way related to, or used in the treatment of Oral and Dental Conditions. This service should be used as a supplement to, and NOT a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.

See sub-topics

Topics under Oral and Dental Conditions

  • Aphthous Ulcer (85 drugs in 3 topics)
  • Burning Mouth Syndrome (17 drugs)
  • Dental Abscess (22 drugs)
  • Excessive Salivation (1 drug)
  • Periodontitis (24 drugs)
  • Prevention of Dental Caries (58 drugs)
  • Stomatitis (107 drugs in 3 topics)
  • Xerostomia (4 drugs)

Drugs associated with Onychomycosis, Toenail

The following drugs and medications are in some way related to, or used in the treatment of Onychomycosis, Toenail. This service should be used as a supplement to, and NOT a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.


There are currently no drugs listed for "Osteoclastomas".

Definition of Osteoclastomas: A bone tumour composed of cellular spindle-cell stroma containing scattered multinucleated giant cells resembling osteoclasts. The tumours range from benign to frankly malignant lesions. The tumour occurs most frequently in an end of a long tubular bone in young adults.


Definition of Opiate Withdrawal:

Opiate withdrawal is an acute state caused by cessation or dramatic reduction of use of opiate drugs that has been heavy and prolonged (several weeks or longer).

Opiates include heroin, morphine, codeine, Oxycontin, Dilaudid, methadone, and others. The reaction frequently includes sweating, shaking, headache, drug craving, nausea, vomiting, abdominal cramping, diarrhea, inability to sleep, confusion, agitation, depression, anxiety, and other behavioral changes.

Drugs associated with Opiate Withdrawal

The following drugs and medications are in some way related to, or used in the treatment of Opiate Withdrawal. This service should be used as a supplement to, and NOT a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.

Learn more about Opiate Withdrawal


Definition of Ovulation Induction: Techniques for the artifical induction of ovulation.

Drugs associated with Ovulation Induction

The following drugs and medications are in some way related to, or used in the treatment of Ovulation Induction. This service should be used as a supplement to, and NOT a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.


Definition of Onchocerciasis, River Blindness: Infection with nematodes of the genus onchocerca. Characteristics include the presence of firm subcutaneous nodules filled with adult worms, pruritus, and ocular lesions.

Drugs associated with Onchocerciasis, River Blindness

The following drugs and medications are in some way related to, or used in the treatment of Onchocerciasis, River Blindness. This service should be used as a supplement to, and NOT a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.


Definition of Ovarian Cancer: Ovarian cancer is a malignant neoplasm (abnormal growth) located on the ovaries.

Drugs associated with Ovarian Cancer

The following drugs and medications are in some way related to, or used in the treatment of Ovarian Cancer. This service should be used as a supplement to, and NOT a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.

Learn more about Ovarian Cancer


Definition of Ocular Rosacea:

Ocular rosacea is inflammation of the eye that occurs as a result of rosacea, a chronic, inflammatory condition that affects the skin on your face, nose and forehead. Many people with skin rosacea develop ocular rosacea, usually in combination with skin symptoms, but occasionally ocular rosacea occurs by itself.

Drugs associated with Ocular Rosacea

The following drugs and medications are in some way related to, or used in the treatment of Ocular Rosacea. This service should be used as a supplement to, and NOT a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.

Learn more about Ocular Rosacea


Definition of Obsessive Compulsive Disorder: An anxiety disorder characterised by recurrent, persistent obsessions or compulsions. Obsessions are the intrusive ideas, thoughts, or images that are experienced as senseless or repugnant. Compulsions are repetitive and seemingly purposeful behaviour which the individual generally recognises as senseless and from which the individual does not derive pleasure although it may provide a release from tension.

Drugs associated with Obsessive Compulsive Disorder

The following drugs and medications are in some way related to, or used in the treatment of Obsessive Compulsive Disorder. This service should be used as a supplement to, and NOT a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.

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Topics under Obsessive Compulsive Disorder

  • Trichotillomania (6 drugs)

Definition of Ovarian Cysts: An ovarian cyst is a sac filled with fluid that forms on or inside of an ovary.

Drugs associated with Ovarian Cysts

The following drugs and medications are in some way related to, or used in the treatment of Ovarian Cysts. This service should be used as a supplement to, and NOT a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.

Learn more about Ovarian Cysts


Drugs associated with Osteolytic Bone Metastases of Solid Tumors

The following drugs and medications are in some way related to, or used in the treatment of Osteolytic Bone Metastases of Solid Tumors. This service should be used as a supplement to, and NOT a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.


Topics under Orthopedic Surgery

  • Hip Replacement (0 drugs)
  • Knee Joint Replacement (0 drugs)

Definition of Oppositional Defiant Disorder: Oppositional defiant disorder is a pattern of disobedient, hostile, and defiant behavior toward authority figures.

Drugs (by generic name) associated with Oppositional Defiant Disorder

The following drugs and medications are in some way related to, or used in the treatment of Oppositional Defiant Disorder. This service should be used as a supplement to, and NOT a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.

Learn more about Oppositional Defiant Disorder


Drugs associated with Ophthalmic Surgery

The following drugs and medications are in some way related to, or used in the treatment of Ophthalmic Surgery. This service should be used as a supplement to, and NOT a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners.

Topics under Ophthalmic Surgery

  • Corneal Refractive Surgery (3 drugs)
  • Ophthalmic Surgical Staining (2 drugs)
  • Ophthalmic Viscoelastic Agent (0 drugs)
  • Postoperative Ocular Inflammation (23 drugs)