Answers:
1. Dapsone induced methemoglobinemia (
)
2. Pentamidine
increased insulin secretion
hypoglycemia
3. Succinylcholine induced malignant hyperthermia, Tx - dantrolene, supportive care
4. PPI
impaired intestinal Mag absorption
hypomagnesemia
1. Dapsone induced methemoglobinemia (


2. Pentamidine


3. Succinylcholine induced malignant hyperthermia, Tx - dantrolene, supportive care
4. PPI


5. Metformin - B12 deficiency
Mechanisms:
-alterations in small bowel motility
stimulates bacterial overgrowth
-competitive inhibition/inactivation of vitamin B12 absorption
-alterations in intrinsic factor levels
-inhibition of Ca-dependent absorption at the terminal ileum
Mechanisms:
-alterations in small bowel motility

-competitive inhibition/inactivation of vitamin B12 absorption
-alterations in intrinsic factor levels
-inhibition of Ca-dependent absorption at the terminal ileum
6. Natalizumab
prevents lymphocytes from adhering to the endothelium of the blood–brain barrier
reduces migration from the blood into the CNS
JC virus reactivation
progressive multifocal leukoencephalopathy




7. Donepezil
increased cardiac vagal tone and reduced cardiac sympathetic activity
bradycardia
8. Daptomycin-induced eosinophilic pneumonia
9. Capecitabine - loss of fingerprints https://pubmed.ncbi.nlm.nih.gov/31558182/


8. Daptomycin-induced eosinophilic pneumonia
9. Capecitabine - loss of fingerprints https://pubmed.ncbi.nlm.nih.gov/31558182/
10.Bevacizumab
increase in vascular tone due to inhibition of VEGF-mediated vasodilation
malignant hypertension
11.TMP/SMX - hemolytic anemia (G6PD), bite cells on smear
12.Flucytosine - bone marrow suppression, pancytopenia
13.Atazanavir - bilirubinemia, jaundice


11.TMP/SMX - hemolytic anemia (G6PD), bite cells on smear
12.Flucytosine - bone marrow suppression, pancytopenia
13.Atazanavir - bilirubinemia, jaundice
14.Allopurinol - DRESS (Drug reaction with eosinophilia & systemic symptoms)
15.Furosemide - bullous pemphigoid
16.Rifampin - Orange urine
17.Clofazimine - hyperpigmentation
18.Metronidazole - encephalopathy (Nearly all cases show lesions in the cerebellum/dentate nuclei)
15.Furosemide - bullous pemphigoid
16.Rifampin - Orange urine
17.Clofazimine - hyperpigmentation
18.Metronidazole - encephalopathy (Nearly all cases show lesions in the cerebellum/dentate nuclei)
19.Amoxicillin - AGEP (Acute generalized exanthematous pustulosis)
20.Cyclophosphamide - hemorrhagic cystitis
21.Cisplatin
disordered cerebral autoregulation, endothelial damage
PRES (posterior reversible encephalopathy). Symmetrical lesions in post. cerebral hemispheres
20.Cyclophosphamide - hemorrhagic cystitis
21.Cisplatin


22.Sildenafil
selectively inhibits cGMP-specific phosphodiesterase type 5 (PDE5). Also inhibits PDE6 exclusively present in rod and cone photoreceptors
blue tinge to vision (cyanopsia)
23.Isoniazid - sideroblastic anemia, addition of B6 can correct the anemia


23.Isoniazid - sideroblastic anemia, addition of B6 can correct the anemia