Drug Identity
Active Ingredient
Chlorpheniramine
Chemical Class
Alkylamine
Pharmacological Group
on the basis of mechanism of action
What is Chlorilex?
Uses
Monjuvi is used to treat diffuse large B-cell lymphoma (DLBCL ) in combination with lenalidomide that is relapsed or refractory (r/r), or...
How It Works
Chemical Class
Alkylamine
Pharmacological Group
on the basis of mechanism of action
Chlorpheniramine (Maleate) also known as Chlorphenamine Maleate. It is of Synthetic origin and belongs to Alkylamine. It belongs to H1-antagonist pharmacological group on the basis of mechanism of action. The Molecular Weight of Chlorpheniramine (Maleate) is 274.78. Its pKa is 9.2.
How to Take It
1
Adult · IV,IM,SC
10 to 20 mg — 24 hourly
Slow IV over a period of 1 minute. total dose should not exceed 40 mg.
2
Adult · PO
4 to 24 mg — 6 hourly
Max. 24 mg daily
3
Adult
Scraped Dose
Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended. chlorpheniramine is usually taken only for a short tim
4
Child · Intra Muscular
0.25 to 0.5 mg/kg — 24 hourly
5
Child · Intra Venous
0.25 to 10 mg — 24 hourly
Maximum dose= 12mg
6
Child · Oral
0.5 to 12 mg — 6 hourly
7
Child · Subcutaneous
87.5 to 0 mcg/kg — 6 hourly
Safety Alerts
Before you receive Monjuvi, tell your healthcare provider about all of your medical conditions, including if you: have an active infection or have had one recently are pregnant or plan to become pregnant are breastfeeding or plan to breastfeed
Important Warnings
Monjuvi may cause the following serious side effects: Infusion reactions
Your healthcare provider will monitor you for infusion reactions during your infusion of Monjuvi
Tell your healthcare provider right away if you get a fever, chills, rash, flushing, headache, or shortness of breath during an infusion of Monjuvi
Low blood cell counts (platelets, red blood cells, and white blood cells)
Low blood cell counts are common with Monjuvi, but can also be serious or severe
Your healthcare provider will monitor your blood counts during treatment with Monjuvi
Tell your healthcare provider right away if you get a fever of 100
4°F (38°C) or above, or any bruising or bleeding, or fever, mouth sores, skin sores, sore throat , cough, trouble breathing
Side Effects
The most common side effects of Monjuvi when given with lenalidomide in DLBCL are: respiratory tract infection feeling tired or weak diarrhea cough fever swelling of the lower legs or hands decreased appetite infusion-related reactions. The most common side effects of Monjuvi when given with lenalidomide and rituximab in FL are: respiratory tract infections diarrhea rash feeling tired or weak muscle and bone pain constipation cough infusion-related reactions.
Drug Interactions
Other drugs may interact with Monjuvi
including prescription and over-the-counter medicines
vitamins
and herbal products . Tell your healthcare provider about all the medicines you take
including prescription and over-the-counter medicines
vitamins
and herbal supplements.
Storage
Syrup Store in a well closed container, Below 40°C. Do not Freeze. Protect from Sunlight and Moisture. Tab Store in a well closed container, Below 40°C. Protect from Sunlight and Moisture.
Price Intelligence
Rs 133.7
DRAP approved maximum price · per pack of 1000 · approved 23 Jul, 2026
No retail price observed for this pack. Retailers may not exceed the approved maximum.
Prices across sources
DRAPper pack of 1000Rs 133.7
Should you consider an alternative?
Other options containing Chlorpheniramine, and what they are not.
These contain this ingredient plus others. They are different medicines — do not swap.
Viriton
4mg
Rs 95.06 ceiling
No DRAP alertsVENUS PHARMA
Phenir
4mg
Rs 403.92 ceiling
No DRAP alertsVALOR PHARMACEUTICALS
Piriton
4mg
+ Chlorpheniramine Inj
Rs 27Rs 1.35/unit
GlaxoSmithKline PAKISTAN
Pedroltotal
5ml
+ Paracetamol
Rs 52.18
No DRAP alertsSTANLEY PHARMACEUTICALS (PVT) LTD.
Tempramine
60Ml
+ Paracetamol
Rs 80.75Rs 80.75/unit
No DRAP alertsWOODWARD PAKISTAN (PVT) LTD
Babynol
60Ml
+ Dextromethorphan
Rs 87.4Rs 87.4/unit
No DRAP alertsWOODWARD PAKISTAN (PVT) LTD
Tempramine
120ml
+ Paracetamol
Rs 119.15Rs 119.15/unit
No DRAP alertsWOODWARD PAKISTAN (PVT) LTD
Piriton
+ Chlorpheniramine Inj
Rs 420
GLAXOSMITHKLINE
Ordered by lowest price per unit where a pack size is known, then by price. Order is never affected by sponsorship. Not medical advice — confirm any change with your pharmacist or doctor.
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