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Tretiva

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Tretiva (Isotretinoin) is a potent retinoid used to treat severe, recalcitrant nodular acne. It works by reducing skin oil production and preventing the clogging of pores. This medication is typically reserved for adults whose persistent skin conditions have not responded well to standard antibiotic treatments.


Ingredient
Category
Availability
In Stock
Delivery Time
Airmail (14-21 days) | EMS trackable (5-9 days)
Product is shipped in a fully discreet envelope with no content disclosure, including all required documentation inside

Product Sheet

Active Ingredient(s)
Isotretinoin
Reference Brand
Roaccutane
Manufacturer
Intas Pharmaceuticals
Product Form
Capsule
Regulatory Classification
Rx
Primary Category
Acne Treatment
Product Category
Dermatologicals, Retinoids for acne
Pharmacological Class
Retinoids
Manufacturer Description
A clinical treatment for persistent or severe acne that has not cleared with other medications.
Mechanism of Action
It works by significantly reducing the amount of oil (sebum) produced by the skin's oil glands. This shrinkage makes the environment less favourable for acne-causing bacteria and reduces inflammation.
Route of Administration
Oral
Onset Time
4-8 weeks
Duration
Persistent effect
Contraindications
Pregnancy, Renal or hepatic insufficiency, Hypervitaminosis A
Severe Adverse Events
Mental health changes, Severe headache, Pancreatitis, Inflammatory bowel disease
Common Side Effects
Chapped lips, Dry eyes, Dry skin
Uncommon Side Effects
Nosebleeds, Muscle aches, Increased cholesterol
Drug Interactions
Vitamin A, Tetracyclines, St John's wort, Progestogen-only pills
Pregnancy Safety Warnings
Strictly contraindicated. Teratogenic risk.
Age Restrictions
Adults and adolescents (post-puberty)
Storage Guidelines
Store at room temperature in a dry place.
Related Products
Roaccutane, Accutane, Isotretinoin

Tretiva FAQ

Can I travel internationally with Tretiva?

Yes, you can travel with Tretiva, but keep the medication in its original packaging with the prescription label visible. Carry a copy of the prescription or a letter from your doctor in case customs or security officers request verification.

Will Tretiva affect drug testing for employment or sports?

Isotretinoin is not a substance screened for in standard workplace or athletic drug tests, as it is not a performance-enhancing or illicit drug. However, disclose any prescription medication if required by the testing protocol.

What does a Tretiva tablet look like?

Tretiva tablets are round, film-coated, and imprint the dosage strength (e.g., “5 mg”, “10 mg”, “20 mg”, “30 mg”) along with the brand name. In different European markets the colour and imprint may vary slightly.

Are there regional differences in Tretiva’s availability within the UK?

Tretiva is prescribed throughout England, Scotland, Wales, and Northern Ireland under the same MHRA-approved indications. Availability depends on local pharmacy stock and the prescriber’s choice of dosage.

How does Tretiva compare to other acne treatments like oral doxycycline?

Tretiva targets the root causes of severe acne-sebaceous gland activity and follicular plugging-whereas doxycycline primarily reduces bacterial overgrowth and inflammation. Isotretinoin is typically reserved for cases that have not responded to antibiotics.

What should I do if I miss a dose while on a strict contraception schedule?

Take the missed dose the same day if possible; do not double the next dose. Continue using both forms of contraception without interruption, as the risk of teratogenicity persists with any exposure.

Can I store Tretiva in a bathroom medicine cabinet?

It is better to store Tretiva in a cool, dry place away from moisture and heat, such as a bedroom drawer. Bathroom cabinets can be humid, which may affect tablet integrity over time.

Is it safe to use over-the-counter moisturizers while taking Tretiva?

Yes, using gentle, fragrance-free moisturizers can alleviate dryness caused by isotretinoin. Avoid products containing retinoids or strong exfoliating agents, as they may increase irritation.

How long after finishing Tretiva will my skin remain clear?

Many patients experience a prolonged remission, especially if the cumulative dose reaches the recommended 120-150 mg kg⁻¹. However, individual results vary, and maintenance therapy with topical agents may be advised.

Do I need to inform my dentist before dental procedures while on Tretiva?

Generally, isotretinoin does not interfere with dental work. Nonetheless, inform your dentist of all medications, as some procedures may require temporary cessation of other drugs (e.g., antibiotics) that could interact.

What is Tretiva?

Tretiva is a prescription medication that contains isotretinoin as its active ingredient. Isotretinoin belongs to the retinoid class of drugs and is used primarily for the treatment of severe acne that has not responded to other therapies. Tretiva is supplied as oral pills in strengths of 5 mg, 10 mg, 20 mg, and 30 mg. In the United Kingdom it is a prescription-only medicine regulated by the Medicines and Healthcare products Regulatory Agency (MHRA).

How Tretiva Works in the Body

Isotretinoin is a synthetic analogue of vitamin A. It binds to retinoic acid receptors (RARs) in skin cells, leading to several therapeutic effects:

  • Reduced sebum production: The drug shrinks the size and activity of sebaceous glands, decreasing the oily material that can clog pores.
  • Normalization of follicular keratinisation: By influencing cell turnover, isotretinoin helps prevent the formation of comedones (blackheads and whiteheads).
  • Anti-inflammatory action: It dampens the inflammatory response that contributes to painful acne lesions.

These actions together result in a marked reduction of acne lesions, often after several weeks of treatment. Because isotretinoin is taken orally, it reaches the skin systemically, and its effects can persist for months after the course is completed.

Conditions Treated by Tretiva

Tretiva is approved by the MHRA for:

  • Severe nodular acne (also known as cystic acne) that has not improved with conventional oral antibiotics or topical treatments.

In clinical practice, isotretinoin may also be prescribed for other dermatologic conditions when standard therapies fail, but such uses are considered off-label and must be justified by a specialist.

Evidence-Based Off-Label Uses

Limited evidence supports the following off-label applications:

  • Hidradenitis suppurativa: Small case series have reported improvement, but randomized controlled trials are lacking.
  • Severe rosacea: Isotretinoin can reduce papulopustular lesions in refractory cases, though other treatment options are preferred.

These uses are not approved by the MHRA. Off-label prescribing should be performed under specialist supervision, with careful risk-benefit assessment.

Who Should Not Use Tretiva?

Absolute Contraindications

  • Pregnancy or planning to become pregnant (isotretinoin is highly teratogenic).
  • Known hypersensitivity to isotretinoin or any other component of the formulation.
  • Severe liver disease or markedly elevated liver enzymes.
  • Uncontrolled hyperlipidaemia (especially very high triglycerides).

Relative Contraindications

  • History of mood disorders or depression (use requires close monitoring).
  • Inflammatory bowel disease (some clinicians avoid isotretinoin in active disease).
  • Age under 12 years (safety data are insufficient).

Special Populations

  • Women of child-bearing potential must use two reliable forms of contraception, start contraception at least one month before, continue during treatment, and maintain contraception for one month after stopping.
  • Elderly patients may need lower starting doses due to reduced hepatic clearance.
  • Renal impairment does not significantly affect isotretinoin levels but dose adjustments may be warranted for frail patients.

Safety Profile: Side Effects and Interactions

Common Side Effects

  • Dry, peeling skin and lips (cheilitis) - often the earliest sign, reported in the majority of patients.
  • Dry eyes, nasal mucosa irritation, and nosebleeds.
  • Mild photosensitivity - increased susceptibility to sunburn.
  • Transient elevation of liver enzymes and triglycerides - monitored regularly.

Serious Adverse Events

  • Teratogenicity: Congenital malformations can occur if exposure happens during pregnancy.
  • Severe hypertriglyceridaemia: May lead to pancreatitis; requires urgent medical attention.
  • Signs of depression or mood changes: Including suicidal ideation; immediate evaluation is essential.
  • Inflammatory bowel disease exacerbation: Rare but reported; discontinue if symptoms emerge.

Drug Interactions

  • Tetracycline antibiotics (e.g., doxycycline): Combined use increases the risk of intracranial hypertension.
  • Vitamin A supplements or other retinoids (e.g., adapalene): May cause additive toxicity, especially hepatic.
  • CYP450 inducers such as rifampicin or phenobarbital: Can lower isotretinoin plasma concentrations, potentially reducing efficacy.
  • Oral contraceptives: No direct pharmacokinetic interaction, but contraceptives are required to prevent pregnancy.

Food and Lifestyle Interactions

  • Take with food: A high-fat meal enhances oral absorption and may improve tolerability.
  • Sun exposure: Limit prolonged UV exposure and use broad-spectrum sunscreen (SPF 30 or higher) due to photosensitivity.
  • Alcohol: Excessive intake can exacerbate liver enzyme elevations; moderation is advised.

How to Take Tretiva

  • Standard dosing: The usual regimen starts at 0.5 mg kg⁻¹ day⁻¹, with adjustments up to 1 mg kg⁻¹ day⁻¹ based on clinical response and tolerability.
  • Cumulative dose: Treatment courses aim for a total cumulative dose of 120-150 mg kg⁻¹, which reduces the likelihood of acne recurrence after stopping the medication.
  • Formulation guidance: Swallow the pill whole with a glass of water; do not crush or chew.
  • Missed dose: Take the missed dose as soon as remembered on the same day; do not double the next dose.
  • Overdose: Symptoms may include severe headache, vomiting, and visual disturbances. Seek emergency medical care; there is no specific antidote.
  • Treatment duration: Courses typically last 15-20 weeks, but the exact length depends on the achieved cumulative dose and individual response.

Dosing must be individualized by a qualified prescriber, taking into account body weight, liver function, lipid profile, and pregnancy risk.

Monitoring and Follow-Up

  • Baseline tests: Liver function tests (ALT, AST), fasting lipid profile, and a pregnancy test for women of child-bearing potential.
  • Routine monitoring: Repeat liver enzymes and triglycerides every 4-8 weeks during therapy.
  • Pregnancy testing: Conducted monthly while on isotretinoin and for one month after cessation.
  • Clinical assessment: Evaluate acne response, skin dryness, and any mood changes at each follow-up visit.

Storage and Handling

  • Store the tablets at room temperature (15-25 °C), protected from moisture and direct sunlight.
  • Keep the medication out of reach of children and pets.
  • Do not use the product beyond the expiry date printed on the packaging.
  • Dispose of any leftover tablets in accordance with local pharmacy return schemes or NHS guidelines for expired medicines.

Medication-Specific Glossary

Teratogenicity
The capacity of a drug to cause birth defects when a pregnant woman is exposed.
Sebaceous gland
Small skin-associated glands that secrete oily sebum; over-activity contributes to acne formation.
Cumulative dose
The total amount of drug taken over the entire treatment course, expressed in mg kg⁻¹.
Retinoic acid receptor (RAR)
A nuclear receptor that mediates the biological effects of retinoids like isotretinoin.
Photosensitivity
An increased susceptibility of the skin to sunburn or UV-induced damage.
Intracranial hypertension
Elevated pressure inside the skull; a rare but serious adverse effect when isotretinoin is combined with tetracyclines.

Medical Disclaimer

This article provides educational information about Tretiva and is not a substitute for professional medical advice. Treatment decisions, including use for unapproved indications, must be made under the guidance of a qualified healthcare provider. The content is intended for informational purposes and does not constitute medical recommendations. Always consult a physician before starting, stopping, or changing any medication regimen.

Information for Tretiva is sourced from established medical standards and updated frequently. It is provided for general guidance and should be confirmed with a healthcare professional before use.
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