Overview section
Venlafaxine extended release, commonly known by the brand name Effexor XR, is an SNRI antidepressant that increases levels of serotonin and norepinephrine in the brain. In Australia it is prescribed for major depressive disorder, several anxiety disorders and panic disorder.
- Active substance in the product: venlafaxine XR
- XR strength options: strength: 37.5 mg, 75 mg, 150 mg
- Signs of progress commonly treated: depression, generalised anxiety, social anxiety, panic disorder
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Before you start up treatment
Tell your prescriber or pharmacist about any of the following before you begin venlafaxine XR:
- High blood pressure, heart disease, previous heart attack or abnormal heart rhythm
- Kidney function deficit or liver function deficit
- Past epileptic episodes
- Mania, bipolar disorder, or a family history of bipolar illness
- Thyroid dysfunctions or significant unintended weight change
- Glaucoma or raised eye pressure
- Allergies to venlafaxine or capsule ingredients
- Current suicidal thoughts, prior attempts, or severe depression
- Pregnancy, planning to conceive, or breastfeeding.
- Use of herbal products such as Hypericum perforatum, the St Johns wort herb
The younger crowd and adolescents should use venlafaxine only under specialist care. Discuss benefits and hidden risks with a qualified clinician.
Advice on dosing and intake instructions
Follow the exact dosage your prescriber provides. Typical directions and practical advice:
- Swallow XR capsules whole with a full glass of water; do not chew, crush, or open the capsule.
- Take the medicine at about the same time each day, with or without food.
- Adhere to the prescribed schedule; do not increase the dose or take more frequently than directed.
- If stopping long-term treatment, do not cease abruptly; a gradual taper helps reduce withdrawal symptoms.
If you are uncertain about when to take your dose, capsule care, or need a counselling blister pack, consult your pharmacist. For potential subtle the mutual influence during contacts can reinforce culture. consult Alerts for medicines collaborative interaction concerns.
Guidance for i missed a doses and a non fatal overdose situations.
Dose not given
When a dose is forgotten, take it as soon as you remember, unless the next scheduled dose is near. If the next dose is due soon, skip the dose was omitted and resume the usual routine. Do not take a second dose to compensate for a dose was omitted.
Medication an opioid overdose
If you suspect an overdose on pills, seek emergency help immediately. In Australia contact emergency services or the Poisons Information Centre on 13 11 26, or proceed onward to the nearest emergency department. Keep medicines in their original packaging and bring them if you present for assessment.
Never share your prescription with another person; medicines prescribed for one person may be harmful to another.
Drug risks due to the interaction between participants
Do not use concurrently with
- Monoamine oxidase inhibitors (MAOIs) such as phenelzine, tranylcypromine or linezolid; allow a safe washout period, usually at least 14 days
- The active ingredient duloxetine (concurrent SNRI treatment increases risk of detrimental outcomes)
- Nefazodone drug
- Procarbazine is used in chemotherapy or other monoamine-affecting agents
- St Johns wort supplement (Hypericum perforatum), a medicinal herb and tryptophan supplements
Medications that may interact or require metric monitoring
- Other antidepressants and many antipsychotic medications
- Migraine triptans (for example sumatriptan)
- Drugs that affect bleeding risk: warfarin, aspirin, nonsteroidal anti-inflammatory drugs
- Some blood pressure and heart rhythm medicines
- Nervous system stimulant medications such as amphetamine preparations
- Certain antivirals like ritonavir and some antacids such as cimetidine
- Opioid analgesics such as tramadol
This list does not cover everything. Provide a complete list of prescription drugs, over-the-counter medicines, vitamins and herbals to your clinician. A drink containing ethanol and recreational substances can increase sedation or other risks.
Precautionary actions and surveillance of system activity
- It may take several weeks to notice improvement; keep regular follow-up appointments in coordination with your prescriber.
- Monitor blood pressure and heart rate periodically, as venlafaxine can increase both in some people.
- Be alert for new or worsening mood, anxiety, agitation or suicidal thoughts, particularly after starting or changing dose; seek help urgently if these arise.
- Abrupt discontinuation can cause withdrawal symptoms. Discuss a taper plan with your prescriber when stopping.
- Avoid driving or operating heavy machinery until you know how the medicine affects you. Drowsiness, dizziness, or blurred vision may occur and can be worsened by alcohol.
- When using cough, cold or allergy remediesplease confirm. with your pharmacist to avoid additive effects.
For advice about work, driving and safety issues see alignment with legal and regulatory standards framework notes seek professional advice from your clinician.
Possible medication-related effects
Serious acute side effects — seek medical attention
- Allergic reactions such as rash, swelling of the face, lips or tongue, or breathing difficulties
- Sudden mood changes, severe agitation, hallucinations or suicidal behaviour
- Seizure episodes
- Marked changes in vision or acute severe eye pain
- Difficulty urinating or large changes in urine output
- Spontaneous bleeding or bruising that occurs easily
Typical, mild effects
- Nausea and gastrointestinal discomfort
- Constipation
- Higher sweat production
- Tremor
- Appetite wanes and credible weight loss
- Changes in sexual desire or function
Not all potential safety risks are listed here. Report persistent, troubling or worsening symptoms to your health professional.
Archive keep your items in secure storage until you need them. and disposal management
- Store all meds out of reach of children and pets.
- Store in a cool, dry place at around 20 to 25 degrees C; avoid excess heat and moisture.
- Do not use after the expiry date shown on the packaging.
- Keep unused or expired medicines and take them to a pharmacy for safe disposal rather than tossing them in household rubbish.
Other options plus analogous medicines
Several other antidepressants may be considered depending on symptoms, past response, side effect profile and tracking interplay between partiess helps measure engagement. among drugs. Do not switch or combine antidepressants without medical advice and respect required washout intervals; see global teams rely on robust interactions. check the details section for more information upon request.
- Other SNRIs: desvenlafaxine (Pristiq), duloxetine (Cymbalta)
- Selective serotonin reuptake inhibitors (SSRIs): sertraline (Zoloft), escitalopram (Lexapro), fluoxetine (Prozac), citalopram (Celexa)
- Mirtazapine tablet (a noradrenergic and specific serotonergic agent)
- Agomelatine (a melatonergic antidepressant) where available
- Tricyclic antidepressants such as amitriptyline and nortriptyline for certain cases
Non-drug treatments such as cognitive behavioural therapy, interpersonal therapy and other psychological approaches may be used alone or together with medication.
Approximate subscription pricing in Australia (AUD)
Actual cost depends on the product, pharmacy, pack size, and whether the medicine is subsidised by the Pharmaceutical Benefits Scheme (PBS). Approximate cost range for a 28 to 30 day supply are:
- PBS-subsidised venlafaxine XR: general patients typically pay the PBS co-payment, about AUD 31 to 33 per prescription; concession card holders usually pay around AUD 7 to 8.
- Private pay (non-PBS) venlafaxine XR: depending on brand and strength expect roughly AUD 20 to 90 for a monthly supply.
- Comparable various options: many SSRIs and some SNRIs are PBS-listed and commonly attract similar co-payments when subsidised; non-subsidised brands can cost more.
Pharmacies may offer generic options at lower prices. Ask your pharmacist about brand premiums, generic choices and whether you qualify for PBS safety net concessions to reduce out-of-pocket costs.
Australia guidance for regulatory and legal compliance
- Prescription status: Venlafaxine is a Schedule 4 prescription-only medicine. You must have a valid prescription from an Australian-registered prescriber to obtain it.
- Pharmaceutical Benefits Scheme: Many venlafaxine XR products are PBS-listed for specific traces; patients meeting PBS criteria will pay the PBS co-payment. Check current PBS listings and restrictions for precise coverage details.
- Electronic prescribing and repeats: Electronic prescriptions are accepted; repeats are subject to the prescribers instructions and PBS rules.
- Personal importation: Under the TGA Arrangement for Personal Importation, Australians may import limited quantities for personal use with appropriate documentation. Verify current Therapeutic Goods Administrative operation guidance before importing.
- Special populations: Use in children and adolescents should be supervised by a specialist; prescribers will balance potential benefits and risks and arrange metric monitoring.
- Driving and safety: It is an offense to drive while impaired. If you experience drowsiness, dizziness or visual disturbance, do not drive or operate machinery until these effects have resolved.
This information is general and not a substitute for professional medical or legal advice. For individual guidance contact your prescriber, pharmacist or the relevant Australian authorities.
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