CANS Pharmacology & Medications in Aesthetics 2

Question 1

Which class of dermal filler is considered fully reversible and carries the lowest long-term complication risk profile?

Accepted Answer

Hyaluronic acid (HA)

Answer

Calcium hydroxylapatite (CaHA)

Answer

Poly-L-lactic acid (PLLA)

Answer

Polymethylmethacrylate (PMMA)

Question 2

A patient taking a non-selective beta-blocker presents for lip filler. Why does epinephrine-containing local anesthetic require caution?

Accepted Answer

Beta-blockade leaves alpha-adrenergic effects of epinephrine unopposed, risking paradoxical hypertension

Answer

Beta-blockers cause excessive sedation when combined with epinephrine

Answer

Beta-blockers inhibit ester hydrolysis, prolonging epinephrine's action unpredictably

Answer

Beta-blockers reduce local tissue perfusion and increase infection risk

Question 3

Antiviral prophylaxis with valacyclovir or acyclovir is strongly recommended before which aesthetic procedures in susceptible patients?

Accepted Answer

Patients with a history of oral herpes simplex virus (HSV-1) before lip injections or ablative laser

Answer

Patients with atopic dermatitis before chemical peels

Answer

Patients with rosacea before IPL photofacial treatments

Answer

Patients with seborrheic dermatitis before microneedling

Question 4

A patient is taking warfarin for atrial fibrillation and desires elective botulinum toxin injections. The most appropriate management is to:

Accepted Answer

Consult the prescribing physician before any anticoagulation modification, balancing bleeding vs. thromboembolic risk

Answer

Proceed normally as warfarin does not affect bruising with superficial injections

Answer

Switch the patient to low-dose aspirin one week before treatment

Answer

Administer vitamin K 10 mg orally the evening before to reverse warfarin temporarily

Question 5

Aspirin and NSAIDs should ideally be discontinued how many days before aesthetic injectable treatments to minimize bruising risk?

Accepted Answer

7–10 days

Answer

1–2 days

Answer

3–5 days

Answer

14 days

Question 6

Which commonly taken dietary supplement has antiplatelet properties and should be discontinued 1–2 weeks before aesthetic injectable procedures to reduce bruising?

Accepted Answer

Omega-3 fish oil

Answer

Vitamin C (ascorbic acid)

Answer

Vitamin D3 (cholecalciferol)

Answer

Vitamin B12 (cyanocobalamin)

Question 7

Diphenhydramine (Benadryl) may serve which useful roles in the aesthetic clinical setting?

Accepted Answer

Treating mild allergic reactions and providing mild anesthetic/sedative effects as a procedure adjunct

Answer

Reversing botulinum toxin ptosis and dissolving hyaluronic acid fillers

Answer

Preventing post-inflammatory hyperpigmentation after laser procedures

Answer

Reducing post-filler swelling through its direct anti-edema mechanism